Finding the Fourth Proportional to 424.68, 636.99 and 116.55
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Solution
The fourth proportional to 424.68, 636.99 and 116.55 is: 174.82
Step by Step Solution
- Step 1: Write the proportion equation
424.68 : 636.99 = 116.55 : x - Step 2: Convert to fraction form
424.68/636.99 = 116.55/x - Step 3: Cross multiply
424.68x = 636.99 × 116.55 - Step 4: Simplify right side
424.68x = 74,241.18 - Step 5: Solve for x
x = 74,241.18/424.68 - Step 6: Final answer
x = 174.82
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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.