Question

1/3,1/5,1/7 find the fourth proportional with method

Answer 1

let the 4th proportional be A,
then

(1/5)÷(1/3) = A÷(1/7),



1/5 ×3/1 =A/1 ×7/1,

then

7A=3/5,

A=3/35

Answer 2

Hope it helps you Please mark me as the brainliest