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Finding the Fourth Proportional to 627.52, 941.28 and 194.72

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Solution

The fourth proportional to 627.52, 941.28 and 194.72 is: 292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.52 : 941.28 = 194.72 : x
  2. Step 2: Convert to fraction form
    627.52/941.28 = 194.72/x
  3. Step 3: Cross multiply
    627.52x = 941.28 × 194.72
  4. Step 4: Simplify right side
    627.52x = 183,286.04
  5. Step 5: Solve for x
    x = 183,286.04/627.52
  6. Step 6: Final answer
    x = 292.08

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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.