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Finding the Fourth Proportional to 29.83, 44.75 and 10.57

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Solution

The fourth proportional to 29.83, 44.75 and 10.57 is: 15.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.83 : 44.75 = 10.57 : x
  2. Step 2: Convert to fraction form
    29.83/44.75 = 10.57/x
  3. Step 3: Cross multiply
    29.83x = 44.75 × 10.57
  4. Step 4: Simplify right side
    29.83x = 472.73
  5. Step 5: Solve for x
    x = 472.73/29.83
  6. Step 6: Final answer
    x = 15.85

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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.