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Finding the Fourth Proportional to 134.11, 183.46 and 133.57

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Solution

The fourth proportional to 134.11, 183.46 and 133.57 is: 182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.11 : 183.46 = 133.57 : x
  2. Step 2: Convert to fraction form
    134.11/183.46 = 133.57/x
  3. Step 3: Cross multiply
    134.11x = 183.46 × 133.57
  4. Step 4: Simplify right side
    134.11x = 24,504.75
  5. Step 5: Solve for x
    x = 24,504.75/134.11
  6. Step 6: Final answer
    x = 182.72

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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.