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Finding the Fourth Proportional to 133.98, 184.94 and 94.72

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Solution

The fourth proportional to 133.98, 184.94 and 94.72 is: 130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.98 : 184.94 = 94.72 : x
  2. Step 2: Convert to fraction form
    133.98/184.94 = 94.72/x
  3. Step 3: Cross multiply
    133.98x = 184.94 × 94.72
  4. Step 4: Simplify right side
    133.98x = 17,517.52
  5. Step 5: Solve for x
    x = 17,517.52/133.98
  6. Step 6: Final answer
    x = 130.75

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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.