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Finding the Fourth Proportional to 151.56, 226.44 and 132.12

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Solution

The fourth proportional to 151.56, 226.44 and 132.12 is: 197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.56 : 226.44 = 132.12 : x
  2. Step 2: Convert to fraction form
    151.56/226.44 = 132.12/x
  3. Step 3: Cross multiply
    151.56x = 226.44 × 132.12
  4. Step 4: Simplify right side
    151.56x = 29,917.25
  5. Step 5: Solve for x
    x = 29,917.25/151.56
  6. Step 6: Final answer
    x = 197.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.