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Finding the Fourth Proportional to 29.49, 44.19 and 18.08

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Solution

The fourth proportional to 29.49, 44.19 and 18.08 is: 27.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.49 : 44.19 = 18.08 : x
  2. Step 2: Convert to fraction form
    29.49/44.19 = 18.08/x
  3. Step 3: Cross multiply
    29.49x = 44.19 × 18.08
  4. Step 4: Simplify right side
    29.49x = 798.73
  5. Step 5: Solve for x
    x = 798.73/29.49
  6. Step 6: Final answer
    x = 27.08

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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.