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Finding the Fourth Proportional to 135.04, 187.12 and 132.16

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Solution

The fourth proportional to 135.04, 187.12 and 132.16 is: 183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.04 : 187.12 = 132.16 : x
  2. Step 2: Convert to fraction form
    135.04/187.12 = 132.16/x
  3. Step 3: Cross multiply
    135.04x = 187.12 × 132.16
  4. Step 4: Simplify right side
    135.04x = 24,729.78
  5. Step 5: Solve for x
    x = 24,729.78/135.04
  6. Step 6: Final answer
    x = 183.13

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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.