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Finding the Fourth Proportional to 627.29, 941.15 and 396.34

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Solution

The fourth proportional to 627.29, 941.15 and 396.34 is: 594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.29 : 941.15 = 396.34 : x
  2. Step 2: Convert to fraction form
    627.29/941.15 = 396.34/x
  3. Step 3: Cross multiply
    627.29x = 941.15 × 396.34
  4. Step 4: Simplify right side
    627.29x = 373,014.03
  5. Step 5: Solve for x
    x = 373,014.03/627.29
  6. Step 6: Final answer
    x = 594.64

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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.