Finding the Fourth Proportional to 349.06, 522.91 and 239.36
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Solution
The fourth proportional to 349.06, 522.91 and 239.36 is: 358.57
Step by Step Solution
- Step 1: Write the proportion equation
349.06 : 522.91 = 239.36 : x - Step 2: Convert to fraction form
349.06/522.91 = 239.36/x - Step 3: Cross multiply
349.06x = 522.91 × 239.36 - Step 4: Simplify right side
349.06x = 125,162.13 - Step 5: Solve for x
x = 125,162.13/349.06 - Step 6: Final answer
x = 358.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.