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Finding the Fourth Proportional to 29.76, 44.49 and 26.57

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Solution

The fourth proportional to 29.76, 44.49 and 26.57 is: 39.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.76 : 44.49 = 26.57 : x
  2. Step 2: Convert to fraction form
    29.76/44.49 = 26.57/x
  3. Step 3: Cross multiply
    29.76x = 44.49 × 26.57
  4. Step 4: Simplify right side
    29.76x = 1,181.88
  5. Step 5: Solve for x
    x = 1,181.88/29.76
  6. Step 6: Final answer
    x = 39.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.