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Finding the Fourth Proportional to 149.97, 207.04 and 94.79

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Solution

The fourth proportional to 149.97, 207.04 and 94.79 is: 130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.97 : 207.04 = 94.79 : x
  2. Step 2: Convert to fraction form
    149.97/207.04 = 94.79/x
  3. Step 3: Cross multiply
    149.97x = 207.04 × 94.79
  4. Step 4: Simplify right side
    149.97x = 19,625.60
  5. Step 5: Solve for x
    x = 19,625.60/149.97
  6. Step 6: Final answer
    x = 130.86

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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.