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Finding the Fourth Proportional to 292.52, 403.38 and 194.24

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Solution

The fourth proportional to 292.52, 403.38 and 194.24 is: 267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.52 : 403.38 = 194.24 : x
  2. Step 2: Convert to fraction form
    292.52/403.38 = 194.24/x
  3. Step 3: Cross multiply
    292.52x = 403.38 × 194.24
  4. Step 4: Simplify right side
    292.52x = 78,352.53
  5. Step 5: Solve for x
    x = 78,352.53/292.52
  6. Step 6: Final answer
    x = 267.85

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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.