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Finding the Fourth Proportional to 34.25, 47.23 and 23.87

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Solution

The fourth proportional to 34.25, 47.23 and 23.87 is: 32.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.25 : 47.23 = 23.87 : x
  2. Step 2: Convert to fraction form
    34.25/47.23 = 23.87/x
  3. Step 3: Cross multiply
    34.25x = 47.23 × 23.87
  4. Step 4: Simplify right side
    34.25x = 1,127.38
  5. Step 5: Solve for x
    x = 1,127.38/34.25
  6. Step 6: Final answer
    x = 32.92

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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.