Finding the Fourth Proportional to 272.97, 409.59 and 126.68
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Solution
The fourth proportional to 272.97, 409.59 and 126.68 is: 190.08
Step by Step Solution
- Step 1: Write the proportion equation
272.97 : 409.59 = 126.68 : x - Step 2: Convert to fraction form
272.97/409.59 = 126.68/x - Step 3: Cross multiply
272.97x = 409.59 × 126.68 - Step 4: Simplify right side
272.97x = 51,884.81 - Step 5: Solve for x
x = 51,884.81/272.97 - Step 6: Final answer
x = 190.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.