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Finding the Fourth Proportional to 182.39, 252.36 and 159.13

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Solution

The fourth proportional to 182.39, 252.36 and 159.13 is: 220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.39 : 252.36 = 159.13 : x
  2. Step 2: Convert to fraction form
    182.39/252.36 = 159.13/x
  3. Step 3: Cross multiply
    182.39x = 252.36 × 159.13
  4. Step 4: Simplify right side
    182.39x = 40,156.79
  5. Step 5: Solve for x
    x = 40,156.79/182.39
  6. Step 6: Final answer
    x = 220.17

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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.