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Finding the Fourth Proportional to 97.46, 144.98 and 96.48

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Solution

The fourth proportional to 97.46, 144.98 and 96.48 is: 143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.46 : 144.98 = 96.48 : x
  2. Step 2: Convert to fraction form
    97.46/144.98 = 96.48/x
  3. Step 3: Cross multiply
    97.46x = 144.98 × 96.48
  4. Step 4: Simplify right side
    97.46x = 13,987.19
  5. Step 5: Solve for x
    x = 13,987.19/97.46
  6. Step 6: Final answer
    x = 143.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.