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Finding the Fourth Proportional to 97.64, 146.25 and 60.98

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Solution

The fourth proportional to 97.64, 146.25 and 60.98 is: 91.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.64 : 146.25 = 60.98 : x
  2. Step 2: Convert to fraction form
    97.64/146.25 = 60.98/x
  3. Step 3: Cross multiply
    97.64x = 146.25 × 60.98
  4. Step 4: Simplify right side
    97.64x = 8,918.33
  5. Step 5: Solve for x
    x = 8,918.33/97.64
  6. Step 6: Final answer
    x = 91.34

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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.