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Finding the Fourth Proportional to 627.64, 941.54 and 237.88

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Solution

The fourth proportional to 627.64, 941.54 and 237.88 is: 356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.64 : 941.54 = 237.88 : x
  2. Step 2: Convert to fraction form
    627.64/941.54 = 237.88/x
  3. Step 3: Cross multiply
    627.64x = 941.54 × 237.88
  4. Step 4: Simplify right side
    627.64x = 223,973.54
  5. Step 5: Solve for x
    x = 223,973.54/627.64
  6. Step 6: Final answer
    x = 356.85

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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.