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Finding the Fourth Proportional to 337.70, 465.95 and 239.49

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Solution

The fourth proportional to 337.70, 465.95 and 239.49 is: 330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.70 : 465.95 = 239.49 : x
  2. Step 2: Convert to fraction form
    337.70/465.95 = 239.49/x
  3. Step 3: Cross multiply
    337.70x = 465.95 × 239.49
  4. Step 4: Simplify right side
    337.70x = 111,590.96
  5. Step 5: Solve for x
    x = 111,590.96/337.70
  6. Step 6: Final answer
    x = 330.44

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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.