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Finding the Fourth Proportional to 182.34, 251.60 and 116.82

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Solution

The fourth proportional to 182.34, 251.60 and 116.82 is: 161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.34 : 251.60 = 116.82 : x
  2. Step 2: Convert to fraction form
    182.34/251.60 = 116.82/x
  3. Step 3: Cross multiply
    182.34x = 251.60 × 116.82
  4. Step 4: Simplify right side
    182.34x = 29,391.33
  5. Step 5: Solve for x
    x = 29,391.33/182.34
  6. Step 6: Final answer
    x = 161.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.