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Finding the Fourth Proportional to 225.29, 337.73 and 122.66

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Solution

The fourth proportional to 225.29, 337.73 and 122.66 is: 183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.29 : 337.73 = 122.66 : x
  2. Step 2: Convert to fraction form
    225.29/337.73 = 122.66/x
  3. Step 3: Cross multiply
    225.29x = 337.73 × 122.66
  4. Step 4: Simplify right side
    225.29x = 41,425.96
  5. Step 5: Solve for x
    x = 41,425.96/225.29
  6. Step 6: Final answer
    x = 183.88

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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.