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Finding the Fourth Proportional to 337.98, 506.91 and 118.64

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Solution

The fourth proportional to 337.98, 506.91 and 118.64 is: 177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.98 : 506.91 = 118.64 : x
  2. Step 2: Convert to fraction form
    337.98/506.91 = 118.64/x
  3. Step 3: Cross multiply
    337.98x = 506.91 × 118.64
  4. Step 4: Simplify right side
    337.98x = 60,137.27
  5. Step 5: Solve for x
    x = 60,137.27/337.98
  6. Step 6: Final answer
    x = 177.93

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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.