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Finding the Fourth Proportional to 194.98, 292.41 and 73.27

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Solution

The fourth proportional to 194.98, 292.41 and 73.27 is: 109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.98 : 292.41 = 73.27 : x
  2. Step 2: Convert to fraction form
    194.98/292.41 = 73.27/x
  3. Step 3: Cross multiply
    194.98x = 292.41 × 73.27
  4. Step 4: Simplify right side
    194.98x = 21,424.88
  5. Step 5: Solve for x
    x = 21,424.88/194.98
  6. Step 6: Final answer
    x = 109.88

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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.