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Finding the Fourth Proportional to 182.05, 273.17 and 113.57

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Solution

The fourth proportional to 182.05, 273.17 and 113.57 is: 170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.05 : 273.17 = 113.57 : x
  2. Step 2: Convert to fraction form
    182.05/273.17 = 113.57/x
  3. Step 3: Cross multiply
    182.05x = 273.17 × 113.57
  4. Step 4: Simplify right side
    182.05x = 31,023.86
  5. Step 5: Solve for x
    x = 31,023.86/182.05
  6. Step 6: Final answer
    x = 170.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.