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Finding the Fourth Proportional to 133.55, 183.26 and 132.03

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Solution

The fourth proportional to 133.55, 183.26 and 132.03 is: 181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.55 : 183.26 = 132.03 : x
  2. Step 2: Convert to fraction form
    133.55/183.26 = 132.03/x
  3. Step 3: Cross multiply
    133.55x = 183.26 × 132.03
  4. Step 4: Simplify right side
    133.55x = 24,196.15
  5. Step 5: Solve for x
    x = 24,196.15/133.55
  6. Step 6: Final answer
    x = 181.18

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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.