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Finding the Fourth Proportional to 69.08, 95.34 and 41.46

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Solution

The fourth proportional to 69.08, 95.34 and 41.46 is: 57.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.08 : 95.34 = 41.46 : x
  2. Step 2: Convert to fraction form
    69.08/95.34 = 41.46/x
  3. Step 3: Cross multiply
    69.08x = 95.34 × 41.46
  4. Step 4: Simplify right side
    69.08x = 3,952.80
  5. Step 5: Solve for x
    x = 3,952.80/69.08
  6. Step 6: Final answer
    x = 57.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.