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Finding the Third Proportional to 148.55 and 225.91

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Solution

The third proportional to 148.55 and 225.91 is: 343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.55 : 225.91 = 225.91 : x
  2. Step 2: Convert to fraction form
    148.55/225.91 = 225.91/x
  3. Step 3: Cross multiply
    148.55x = 225.91 × 225.91
  4. Step 4: Simplify right side
    148.55x = 51,037.16
  5. Step 5: Solve for x
    x = 51,037.16/148.55
  6. Step 6: Final answer
    x = 343.56

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.