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Finding the Fourth Proportional to 108.93, 163.26 and 95.34

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Solution

The fourth proportional to 108.93, 163.26 and 95.34 is: 142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.93 : 163.26 = 95.34 : x
  2. Step 2: Convert to fraction form
    108.93/163.26 = 95.34/x
  3. Step 3: Cross multiply
    108.93x = 163.26 × 95.34
  4. Step 4: Simplify right side
    108.93x = 15,565.21
  5. Step 5: Solve for x
    x = 15,565.21/108.93
  6. Step 6: Final answer
    x = 142.89

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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.