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Finding the Fourth Proportional to 32.23, 48.33 and 27.71

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Solution

The fourth proportional to 32.23, 48.33 and 27.71 is: 41.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.23 : 48.33 = 27.71 : x
  2. Step 2: Convert to fraction form
    32.23/48.33 = 27.71/x
  3. Step 3: Cross multiply
    32.23x = 48.33 × 27.71
  4. Step 4: Simplify right side
    32.23x = 1,338.98
  5. Step 5: Solve for x
    x = 1,338.98/32.23
  6. Step 6: Final answer
    x = 41.55

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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.