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Finding the Fourth Proportional to 182.27, 272.72 and 156.24

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Solution

The fourth proportional to 182.27, 272.72 and 156.24 is: 233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.27 : 272.72 = 156.24 : x
  2. Step 2: Convert to fraction form
    182.27/272.72 = 156.24/x
  3. Step 3: Cross multiply
    182.27x = 272.72 × 156.24
  4. Step 4: Simplify right side
    182.27x = 42,610.16
  5. Step 5: Solve for x
    x = 42,610.16/182.27
  6. Step 6: Final answer
    x = 233.77

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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.