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Finding the Fourth Proportional to 34.03, 46.97 and 20.92

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Solution

The fourth proportional to 34.03, 46.97 and 20.92 is: 28.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.03 : 46.97 = 20.92 : x
  2. Step 2: Convert to fraction form
    34.03/46.97 = 20.92/x
  3. Step 3: Cross multiply
    34.03x = 46.97 × 20.92
  4. Step 4: Simplify right side
    34.03x = 982.61
  5. Step 5: Solve for x
    x = 982.61/34.03
  6. Step 6: Final answer
    x = 28.87

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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.