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Finding the Fourth Proportional to 182.18, 272.76 and 95.32

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Solution

The fourth proportional to 182.18, 272.76 and 95.32 is: 142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.18 : 272.76 = 95.32 : x
  2. Step 2: Convert to fraction form
    182.18/272.76 = 95.32/x
  3. Step 3: Cross multiply
    182.18x = 272.76 × 95.32
  4. Step 4: Simplify right side
    182.18x = 25,999.48
  5. Step 5: Solve for x
    x = 25,999.48/182.18
  6. Step 6: Final answer
    x = 142.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.