Finding the Fourth Proportional to 424.77, 586.08 and 247.68
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Solution
The fourth proportional to 424.77, 586.08 and 247.68 is: 341.74
Step by Step Solution
- Step 1: Write the proportion equation
424.77 : 586.08 = 247.68 : x - Step 2: Convert to fraction form
424.77/586.08 = 247.68/x - Step 3: Cross multiply
424.77x = 586.08 × 247.68 - Step 4: Simplify right side
424.77x = 145,160.29 - Step 5: Solve for x
x = 145,160.29/424.77 - Step 6: Final answer
x = 341.74
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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.