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Finding the Fourth Proportional to 194.25, 267.98 and 119.50

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Solution

The fourth proportional to 194.25, 267.98 and 119.50 is: 164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.25 : 267.98 = 119.50 : x
  2. Step 2: Convert to fraction form
    194.25/267.98 = 119.50/x
  3. Step 3: Cross multiply
    194.25x = 267.98 × 119.50
  4. Step 4: Simplify right side
    194.25x = 32,022.27
  5. Step 5: Solve for x
    x = 32,022.27/194.25
  6. Step 6: Final answer
    x = 164.85

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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.