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Finding the Fourth Proportional to 63.26, 94.81 and 22.63

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Solution

The fourth proportional to 63.26, 94.81 and 22.63 is: 33.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.26 : 94.81 = 22.63 : x
  2. Step 2: Convert to fraction form
    63.26/94.81 = 22.63/x
  3. Step 3: Cross multiply
    63.26x = 94.81 × 22.63
  4. Step 4: Simplify right side
    63.26x = 2,145.26
  5. Step 5: Solve for x
    x = 2,145.26/63.26
  6. Step 6: Final answer
    x = 33.91

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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.