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Finding the Fourth Proportional to 134.56, 186.08 and 133.12

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Solution

The fourth proportional to 134.56, 186.08 and 133.12 is: 184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.56 : 186.08 = 133.12 : x
  2. Step 2: Convert to fraction form
    134.56/186.08 = 133.12/x
  3. Step 3: Cross multiply
    134.56x = 186.08 × 133.12
  4. Step 4: Simplify right side
    134.56x = 24,770.97
  5. Step 5: Solve for x
    x = 24,770.97/134.56
  6. Step 6: Final answer
    x = 184.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.