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Finding the Fourth Proportional to 133.68, 183.37 and 132.53

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Solution

The fourth proportional to 133.68, 183.37 and 132.53 is: 181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.68 : 183.37 = 132.53 : x
  2. Step 2: Convert to fraction form
    133.68/183.37 = 132.53/x
  3. Step 3: Cross multiply
    133.68x = 183.37 × 132.53
  4. Step 4: Simplify right side
    133.68x = 24,301.11
  5. Step 5: Solve for x
    x = 24,301.11/133.68
  6. Step 6: Final answer
    x = 181.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.