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Finding the Fourth Proportional to 29.33, 44.00 and 15.80

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Solution

The fourth proportional to 29.33, 44.00 and 15.80 is: 23.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.33 : 44.00 = 15.80 : x
  2. Step 2: Convert to fraction form
    29.33/44.00 = 15.80/x
  3. Step 3: Cross multiply
    29.33x = 44.00 × 15.80
  4. Step 4: Simplify right side
    29.33x = 694.90
  5. Step 5: Solve for x
    x = 694.90/29.33
  6. Step 6: Final answer
    x = 23.70

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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.