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Finding the Fourth Proportional to 182.26, 251.52 and 120.02

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Solution

The fourth proportional to 182.26, 251.52 and 120.02 is: 165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.26 : 251.52 = 120.02 : x
  2. Step 2: Convert to fraction form
    182.26/251.52 = 120.02/x
  3. Step 3: Cross multiply
    182.26x = 251.52 × 120.02
  4. Step 4: Simplify right side
    182.26x = 30,187.43
  5. Step 5: Solve for x
    x = 30,187.43/182.26
  6. Step 6: Final answer
    x = 165.63

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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.