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Finding the Fourth Proportional to 627.38, 941.18 and 262.19

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Solution

The fourth proportional to 627.38, 941.18 and 262.19 is: 393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.38 : 941.18 = 262.19 : x
  2. Step 2: Convert to fraction form
    627.38/941.18 = 262.19/x
  3. Step 3: Cross multiply
    627.38x = 941.18 × 262.19
  4. Step 4: Simplify right side
    627.38x = 246,761.97
  5. Step 5: Solve for x
    x = 246,761.97/627.38
  6. Step 6: Final answer
    x = 393.32

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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.