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Finding the Fourth Proportional to 337.38, 465.48 and 239.10

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Solution

The fourth proportional to 337.38, 465.48 and 239.10 is: 329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.38 : 465.48 = 239.10 : x
  2. Step 2: Convert to fraction form
    337.38/465.48 = 239.10/x
  3. Step 3: Cross multiply
    337.38x = 465.48 × 239.10
  4. Step 4: Simplify right side
    337.38x = 111,296.27
  5. Step 5: Solve for x
    x = 111,296.27/337.38
  6. Step 6: Final answer
    x = 329.88

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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.