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Finding the Fourth Proportional to 134.56, 186.96 and 132.28

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Solution

The fourth proportional to 134.56, 186.96 and 132.28 is: 183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.56 : 186.96 = 132.28 : x
  2. Step 2: Convert to fraction form
    134.56/186.96 = 132.28/x
  3. Step 3: Cross multiply
    134.56x = 186.96 × 132.28
  4. Step 4: Simplify right side
    134.56x = 24,731.41
  5. Step 5: Solve for x
    x = 24,731.41/134.56
  6. Step 6: Final answer
    x = 183.79

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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.