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Finding the Fourth Proportional to 337.91, 466.16 and 239.76

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Solution

The fourth proportional to 337.91, 466.16 and 239.76 is: 330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.91 : 466.16 = 239.76 : x
  2. Step 2: Convert to fraction form
    337.91/466.16 = 239.76/x
  3. Step 3: Cross multiply
    337.91x = 466.16 × 239.76
  4. Step 4: Simplify right side
    337.91x = 111,765.32
  5. Step 5: Solve for x
    x = 111,765.32/337.91
  6. Step 6: Final answer
    x = 330.76

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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.