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Finding the Fourth Proportional to 29.02, 39.99 and 24.91

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Solution

The fourth proportional to 29.02, 39.99 and 24.91 is: 34.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.02 : 39.99 = 24.91 : x
  2. Step 2: Convert to fraction form
    29.02/39.99 = 24.91/x
  3. Step 3: Cross multiply
    29.02x = 39.99 × 24.91
  4. Step 4: Simplify right side
    29.02x = 996.15
  5. Step 5: Solve for x
    x = 996.15/29.02
  6. Step 6: Final answer
    x = 34.33

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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.