Question

fisrt second and the third terms of proportion are respectively 7 , 14 and 25 . Find its fourth term​

Answer 1

Let the fourth term be x

7/14=25/x

7x=14*25

x=350/7

x=50

Therefore the fourth term is 50

Answer 2

Check whether the two ratios form a proportion or not: (i) 6 : 8 and 12 : 16; (ii) 24 : 28 ... 3. The first, third and fourth terms of a proportion are 12, 8 and 14 respectively. ... 5. If a : b = 4 : 5 and b : c = 6 : 7; find a : c. Solution: a : b = 4 : 5. ⇒ a/b = 4/5.