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Finding the Fourth Proportional to 29.83, 44.74 and 18.49

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Solution

The fourth proportional to 29.83, 44.74 and 18.49 is: 27.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.83 : 44.74 = 18.49 : x
  2. Step 2: Convert to fraction form
    29.83/44.74 = 18.49/x
  3. Step 3: Cross multiply
    29.83x = 44.74 × 18.49
  4. Step 4: Simplify right side
    29.83x = 827.08
  5. Step 5: Solve for x
    x = 827.08/29.83
  6. Step 6: Final answer
    x = 27.73

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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.