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Finding the Fourth Proportional to 225.50, 337.97 and 95.47

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Solution

The fourth proportional to 225.50, 337.97 and 95.47 is: 143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.50 : 337.97 = 95.47 : x
  2. Step 2: Convert to fraction form
    225.50/337.97 = 95.47/x
  3. Step 3: Cross multiply
    225.50x = 337.97 × 95.47
  4. Step 4: Simplify right side
    225.50x = 32,265.39
  5. Step 5: Solve for x
    x = 32,265.39/225.50
  6. Step 6: Final answer
    x = 143.09

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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.