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Finding the Fourth Proportional to 54.33, 81.62 and 32.97

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Solution

The fourth proportional to 54.33, 81.62 and 32.97 is: 49.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.33 : 81.62 = 32.97 : x
  2. Step 2: Convert to fraction form
    54.33/81.62 = 32.97/x
  3. Step 3: Cross multiply
    54.33x = 81.62 × 32.97
  4. Step 4: Simplify right side
    54.33x = 2,690.85
  5. Step 5: Solve for x
    x = 2,690.85/54.33
  6. Step 6: Final answer
    x = 49.53

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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.