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Finding the Fourth Proportional to 94.26, 141.33 and 63.79

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Solution

The fourth proportional to 94.26, 141.33 and 63.79 is: 95.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.26 : 141.33 = 63.79 : x
  2. Step 2: Convert to fraction form
    94.26/141.33 = 63.79/x
  3. Step 3: Cross multiply
    94.26x = 141.33 × 63.79
  4. Step 4: Simplify right side
    94.26x = 9,015.44
  5. Step 5: Solve for x
    x = 9,015.44/94.26
  6. Step 6: Final answer
    x = 95.64

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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.