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Finding the Fourth Proportional to 376.12, 560.21 and 363.88

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Solution

The fourth proportional to 376.12, 560.21 and 363.88 is: 541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.12 : 560.21 = 363.88 : x
  2. Step 2: Convert to fraction form
    376.12/560.21 = 363.88/x
  3. Step 3: Cross multiply
    376.12x = 560.21 × 363.88
  4. Step 4: Simplify right side
    376.12x = 203,849.21
  5. Step 5: Solve for x
    x = 203,849.21/376.12
  6. Step 6: Final answer
    x = 541.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.