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Finding the Fourth Proportional to 194.98, 292.41 and 133.87

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Solution

The fourth proportional to 194.98, 292.41 and 133.87 is: 200.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.98 : 292.41 = 133.87 : x
  2. Step 2: Convert to fraction form
    194.98/292.41 = 133.87/x
  3. Step 3: Cross multiply
    194.98x = 292.41 × 133.87
  4. Step 4: Simplify right side
    194.98x = 39,144.93
  5. Step 5: Solve for x
    x = 39,144.93/194.98
  6. Step 6: Final answer
    x = 200.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.