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Finding the Fourth Proportional to 97.17, 146.85 and 95.49

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Solution

The fourth proportional to 97.17, 146.85 and 95.49 is: 144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.17 : 146.85 = 95.49 : x
  2. Step 2: Convert to fraction form
    97.17/146.85 = 95.49/x
  3. Step 3: Cross multiply
    97.17x = 146.85 × 95.49
  4. Step 4: Simplify right side
    97.17x = 14,021.97
  5. Step 5: Solve for x
    x = 14,021.97/97.17
  6. Step 6: Final answer
    x = 144.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.