My Math Forum Calculate the TV size, based on distance from TV

 Geometry Geometry Math Forum

 July 10th, 2019, 11:02 PM #1 Member   Joined: Oct 2014 From: Mars Posts: 37 Thanks: 0 Calculate the TV size, based on distance from TV Hi all, Assuming that a 124cm width screen is preferred when sitting 308cm away from the TV, what formula can I use to convert any distance to get the new desired width? Would be greatly appreciated if the formula was in layman/excel terms. Thanks!
 July 11th, 2019, 01:40 PM #2 Global Moderator   Joined: May 2007 Posts: 6,823 Thanks: 723 Direct proportion, i.e. width=constant times distance.
 July 11th, 2019, 06:46 PM #3 Member   Joined: Oct 2014 From: Mars Posts: 37 Thanks: 0 Thanks mathman. For some reason I thought I might need to calculate the viewing angle cone. I guess constant makes it much easier.
 July 12th, 2019, 04:27 PM #4 Global Moderator   Joined: May 2007 Posts: 6,823 Thanks: 723 The expression I gave is based on the assumption the viewing angle cone is constant.

 Tags based, calculate, distance, size

 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post EvanJ Geometry 3 December 19th, 2015 06:01 AM Omnispark Number Theory 25 November 28th, 2013 07:01 PM subwayheaven Algebra 1 January 25th, 2013 09:02 AM DD2014 Algebra 1 April 1st, 2009 04:08 PM JohnSmith222 Physics 6 April 10th, 2008 04:58 PM

 Contact - Home - Forums - Cryptocurrency Forum - Top