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Finding the Fourth Proportional to 31.96, 44.14 and 23.27

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Solution

The fourth proportional to 31.96, 44.14 and 23.27 is: 32.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.96 : 44.14 = 23.27 : x
  2. Step 2: Convert to fraction form
    31.96/44.14 = 23.27/x
  3. Step 3: Cross multiply
    31.96x = 44.14 × 23.27
  4. Step 4: Simplify right side
    31.96x = 1,027.08
  5. Step 5: Solve for x
    x = 1,027.08/31.96
  6. Step 6: Final answer
    x = 32.13

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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.