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Finding the Fourth Proportional to 627.55, 937.47 and 452.72

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Solution

The fourth proportional to 627.55, 937.47 and 452.72 is: 676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.55 : 937.47 = 452.72 : x
  2. Step 2: Convert to fraction form
    627.55/937.47 = 452.72/x
  3. Step 3: Cross multiply
    627.55x = 937.47 × 452.72
  4. Step 4: Simplify right side
    627.55x = 424,411.42
  5. Step 5: Solve for x
    x = 424,411.42/627.55
  6. Step 6: Final answer
    x = 676.30

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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.