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Finding the Fourth Proportional to 376.20, 560.94 and 348.86

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Solution

The fourth proportional to 376.20, 560.94 and 348.86 is: 520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.20 : 560.94 = 348.86 : x
  2. Step 2: Convert to fraction form
    376.20/560.94 = 348.86/x
  3. Step 3: Cross multiply
    376.20x = 560.94 × 348.86
  4. Step 4: Simplify right side
    376.20x = 195,689.53
  5. Step 5: Solve for x
    x = 195,689.53/376.20
  6. Step 6: Final answer
    x = 520.17

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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.