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Finding the Fourth Proportional to 376.20, 567.12 and 351.11

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Solution

The fourth proportional to 376.20, 567.12 and 351.11 is: 529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.20 : 567.12 = 351.11 : x
  2. Step 2: Convert to fraction form
    376.20/567.12 = 351.11/x
  3. Step 3: Cross multiply
    376.20x = 567.12 × 351.11
  4. Step 4: Simplify right side
    376.20x = 199,121.30
  5. Step 5: Solve for x
    x = 199,121.30/376.20
  6. Step 6: Final answer
    x = 529.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.