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Finding the Fourth Proportional to 182.68, 251.74 and 120.44

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Solution

The fourth proportional to 182.68, 251.74 and 120.44 is: 165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.68 : 251.74 = 120.44 : x
  2. Step 2: Convert to fraction form
    182.68/251.74 = 120.44/x
  3. Step 3: Cross multiply
    182.68x = 251.74 × 120.44
  4. Step 4: Simplify right side
    182.68x = 30,319.57
  5. Step 5: Solve for x
    x = 30,319.57/182.68
  6. Step 6: Final answer
    x = 165.97

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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.