Finding the Fourth Proportional to 414.74, 572.21 and 248.99
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Solution
The fourth proportional to 414.74, 572.21 and 248.99 is: 343.52
Step by Step Solution
- Step 1: Write the proportion equation
414.74 : 572.21 = 248.99 : x - Step 2: Convert to fraction form
414.74/572.21 = 248.99/x - Step 3: Cross multiply
414.74x = 572.21 × 248.99 - Step 4: Simplify right side
414.74x = 142,470.46 - Step 5: Solve for x
x = 142,470.46/414.74 - Step 6: Final answer
x = 343.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.