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Finding the Fourth Proportional to 337.84, 506.05 and 155.39

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Solution

The fourth proportional to 337.84, 506.05 and 155.39 is: 232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.84 : 506.05 = 155.39 : x
  2. Step 2: Convert to fraction form
    337.84/506.05 = 155.39/x
  3. Step 3: Cross multiply
    337.84x = 506.05 × 155.39
  4. Step 4: Simplify right side
    337.84x = 78,635.11
  5. Step 5: Solve for x
    x = 78,635.11/337.84
  6. Step 6: Final answer
    x = 232.76

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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.