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Finding the Fourth Proportional to 29.85, 41.37 and 29.44

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Solution

The fourth proportional to 29.85, 41.37 and 29.44 is: 40.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.85 : 41.37 = 29.44 : x
  2. Step 2: Convert to fraction form
    29.85/41.37 = 29.44/x
  3. Step 3: Cross multiply
    29.85x = 41.37 × 29.44
  4. Step 4: Simplify right side
    29.85x = 1,217.93
  5. Step 5: Solve for x
    x = 1,217.93/29.85
  6. Step 6: Final answer
    x = 40.80

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.