Find a fourth proportional to the numbers 15 , 45 , 75 .
Answer & explanation
Correct answer: option 2
Fourth Proportional of a,b and c = \(\frac{b\;×\;c}{a}\)
Fourth Proportional of 15 ,45 and 75 = \(\frac{45\;×\;75}{15}\) = 225
Find a fourth proportional to the numbers 15 , 45 , 75 .
Correct answer: option 2
Fourth Proportional of a,b and c = \(\frac{b\;×\;c}{a}\)
Fourth Proportional of 15 ,45 and 75 = \(\frac{45\;×\;75}{15}\) = 225