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Finding the Fourth Proportional to 337.44, 506.61 and 330.30

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Solution

The fourth proportional to 337.44, 506.61 and 330.30 is: 495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.44 : 506.61 = 330.30 : x
  2. Step 2: Convert to fraction form
    337.44/506.61 = 330.30/x
  3. Step 3: Cross multiply
    337.44x = 506.61 × 330.30
  4. Step 4: Simplify right side
    337.44x = 167,333.28
  5. Step 5: Solve for x
    x = 167,333.28/337.44
  6. Step 6: Final answer
    x = 495.89

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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.