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Finding the Fourth Proportional to 24.41, 36.45 and 21.37

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Solution

The fourth proportional to 24.41, 36.45 and 21.37 is: 31.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.41 : 36.45 = 21.37 : x
  2. Step 2: Convert to fraction form
    24.41/36.45 = 21.37/x
  3. Step 3: Cross multiply
    24.41x = 36.45 × 21.37
  4. Step 4: Simplify right side
    24.41x = 778.94
  5. Step 5: Solve for x
    x = 778.94/24.41
  6. Step 6: Final answer
    x = 31.91

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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.