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Finding the Fourth Proportional to 627.58, 937.24 and 535.55

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Solution

The fourth proportional to 627.58, 937.24 and 535.55 is: 799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.58 : 937.24 = 535.55 : x
  2. Step 2: Convert to fraction form
    627.58/937.24 = 535.55/x
  3. Step 3: Cross multiply
    627.58x = 937.24 × 535.55
  4. Step 4: Simplify right side
    627.58x = 501,932.86
  5. Step 5: Solve for x
    x = 501,932.86/627.58
  6. Step 6: Final answer
    x = 799.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.