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Finding the Fourth Proportional to 133.54, 185.55 and 132.11

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Solution

The fourth proportional to 133.54, 185.55 and 132.11 is: 183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.54 : 185.55 = 132.11 : x
  2. Step 2: Convert to fraction form
    133.54/185.55 = 132.11/x
  3. Step 3: Cross multiply
    133.54x = 185.55 × 132.11
  4. Step 4: Simplify right side
    133.54x = 24,511.42
  5. Step 5: Solve for x
    x = 24,511.42/133.54
  6. Step 6: Final answer
    x = 183.56

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.