Finding the Fourth Proportional to 439.24, 606.07 and 252.74
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Solution
The fourth proportional to 439.24, 606.07 and 252.74 is: 348.73
Step by Step Solution
- Step 1: Write the proportion equation
439.24 : 606.07 = 252.74 : x - Step 2: Convert to fraction form
439.24/606.07 = 252.74/x - Step 3: Cross multiply
439.24x = 606.07 × 252.74 - Step 4: Simplify right side
439.24x = 153,175.10 - Step 5: Solve for x
x = 153,175.10/439.24 - Step 6: Final answer
x = 348.73
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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.