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Finding the Fourth Proportional to 337.06, 506.07 and 256.42

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Solution

The fourth proportional to 337.06, 506.07 and 256.42 is: 385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.06 : 506.07 = 256.42 : x
  2. Step 2: Convert to fraction form
    337.06/506.07 = 256.42/x
  3. Step 3: Cross multiply
    337.06x = 506.07 × 256.42
  4. Step 4: Simplify right side
    337.06x = 129,766.47
  5. Step 5: Solve for x
    x = 129,766.47/337.06
  6. Step 6: Final answer
    x = 385.00

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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.