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Finding the Fourth Proportional to 182.52, 252 and 117.18

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Solution

The fourth proportional to 182.52, 252 and 117.18 is: 161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.52 : 252 = 117.18 : x
  2. Step 2: Convert to fraction form
    182.52/252 = 117.18/x
  3. Step 3: Cross multiply
    182.52x = 252 × 117.18
  4. Step 4: Simplify right side
    182.52x = 29,529.36
  5. Step 5: Solve for x
    x = 29,529.36/182.52
  6. Step 6: Final answer
    x = 161.79

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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.