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Finding the Fourth Proportional to 627.38, 941.41 and 353.49

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Solution

The fourth proportional to 627.38, 941.41 and 353.49 is: 530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.38 : 941.41 = 353.49 : x
  2. Step 2: Convert to fraction form
    627.38/941.41 = 353.49/x
  3. Step 3: Cross multiply
    627.38x = 941.41 × 353.49
  4. Step 4: Simplify right side
    627.38x = 332,777.25
  5. Step 5: Solve for x
    x = 332,777.25/627.38
  6. Step 6: Final answer
    x = 530.42

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Double scale
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Similar ratio
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1.5x scale

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.