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Finding the Fourth Proportional to 627.57, 941.36 and 262.40

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Solution

The fourth proportional to 627.57, 941.36 and 262.40 is: 393.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.57 : 941.36 = 262.40 : x
  2. Step 2: Convert to fraction form
    627.57/941.36 = 262.40/x
  3. Step 3: Cross multiply
    627.57x = 941.36 × 262.40
  4. Step 4: Simplify right side
    627.57x = 247,006.85
  5. Step 5: Solve for x
    x = 247,006.85/627.57
  6. Step 6: Final answer
    x = 393.59

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Similar ratio
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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.