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Finding the Fourth Proportional to 68.43, 102.44 and 59.29

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Solution

The fourth proportional to 68.43, 102.44 and 59.29 is: 88.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.43 : 102.44 = 59.29 : x
  2. Step 2: Convert to fraction form
    68.43/102.44 = 59.29/x
  3. Step 3: Cross multiply
    68.43x = 102.44 × 59.29
  4. Step 4: Simplify right side
    68.43x = 6,073.67
  5. Step 5: Solve for x
    x = 6,073.67/68.43
  6. Step 6: Final answer
    x = 88.76

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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.