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Finding the Fourth Proportional to 97.03, 134.43 and 95.20

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Solution

The fourth proportional to 97.03, 134.43 and 95.20 is: 131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.03 : 134.43 = 95.20 : x
  2. Step 2: Convert to fraction form
    97.03/134.43 = 95.20/x
  3. Step 3: Cross multiply
    97.03x = 134.43 × 95.20
  4. Step 4: Simplify right side
    97.03x = 12,797.74
  5. Step 5: Solve for x
    x = 12,797.74/97.03
  6. Step 6: Final answer
    x = 131.89

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.