Finding the Fourth Proportional to 437.99, 657.11 and 129.84
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Solution
The fourth proportional to 437.99, 657.11 and 129.84 is: 194.79
Step by Step Solution
- Step 1: Write the proportion equation
437.99 : 657.11 = 129.84 : x - Step 2: Convert to fraction form
437.99/657.11 = 129.84/x - Step 3: Cross multiply
437.99x = 657.11 × 129.84 - Step 4: Simplify right side
437.99x = 85,316.48 - Step 5: Solve for x
x = 85,316.48/437.99 - Step 6: Final answer
x = 194.79
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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.