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Finding the Fourth Proportional to 194.43, 267.60 and 173.71

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Solution

The fourth proportional to 194.43, 267.60 and 173.71 is: 239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.43 : 267.60 = 173.71 : x
  2. Step 2: Convert to fraction form
    194.43/267.60 = 173.71/x
  3. Step 3: Cross multiply
    194.43x = 267.60 × 173.71
  4. Step 4: Simplify right side
    194.43x = 46,484.80
  5. Step 5: Solve for x
    x = 46,484.80/194.43
  6. Step 6: Final answer
    x = 239.08

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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.