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Finding the Fourth Proportional to 337.41, 506.31 and 129.33

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Solution

The fourth proportional to 337.41, 506.31 and 129.33 is: 194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.41 : 506.31 = 129.33 : x
  2. Step 2: Convert to fraction form
    337.41/506.31 = 129.33/x
  3. Step 3: Cross multiply
    337.41x = 506.31 × 129.33
  4. Step 4: Simplify right side
    337.41x = 65,481.07
  5. Step 5: Solve for x
    x = 65,481.07/337.41
  6. Step 6: Final answer
    x = 194.07

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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.