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Finding the Fourth Proportional to 182.34, 273.40 and 113.91

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Solution

The fourth proportional to 182.34, 273.40 and 113.91 is: 170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.34 : 273.40 = 113.91 : x
  2. Step 2: Convert to fraction form
    182.34/273.40 = 113.91/x
  3. Step 3: Cross multiply
    182.34x = 273.40 × 113.91
  4. Step 4: Simplify right side
    182.34x = 31,142.36
  5. Step 5: Solve for x
    x = 31,142.36/182.34
  6. Step 6: Final answer
    x = 170.80

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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.