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Finding the Fourth Proportional to 24.81, 37.19 and 22.51

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Solution

The fourth proportional to 24.81, 37.19 and 22.51 is: 33.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.81 : 37.19 = 22.51 : x
  2. Step 2: Convert to fraction form
    24.81/37.19 = 22.51/x
  3. Step 3: Cross multiply
    24.81x = 37.19 × 22.51
  4. Step 4: Simplify right side
    24.81x = 837.15
  5. Step 5: Solve for x
    x = 837.15/24.81
  6. Step 6: Final answer
    x = 33.74

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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.