Finding the Fourth Proportional to 424.55, 634.08 and 362.99
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Solution
The fourth proportional to 424.55, 634.08 and 362.99 is: 542.14
Step by Step Solution
- Step 1: Write the proportion equation
424.55 : 634.08 = 362.99 : x - Step 2: Convert to fraction form
424.55/634.08 = 362.99/x - Step 3: Cross multiply
424.55x = 634.08 × 362.99 - Step 4: Simplify right side
424.55x = 230,167.65 - Step 5: Solve for x
x = 230,167.65/424.55 - Step 6: Final answer
x = 542.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.