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Finding the Fourth Proportional to 97.07, 134.02 and 62.14

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Solution

The fourth proportional to 97.07, 134.02 and 62.14 is: 85.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.07 : 134.02 = 62.14 : x
  2. Step 2: Convert to fraction form
    97.07/134.02 = 62.14/x
  3. Step 3: Cross multiply
    97.07x = 134.02 × 62.14
  4. Step 4: Simplify right side
    97.07x = 8,328.00
  5. Step 5: Solve for x
    x = 8,328.00/97.07
  6. Step 6: Final answer
    x = 85.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.