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Finding the Fourth Proportional to 376.60, 519.82 and 219.27

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Solution

The fourth proportional to 376.60, 519.82 and 219.27 is: 302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.60 : 519.82 = 219.27 : x
  2. Step 2: Convert to fraction form
    376.60/519.82 = 219.27/x
  3. Step 3: Cross multiply
    376.60x = 519.82 × 219.27
  4. Step 4: Simplify right side
    376.60x = 113,979.41
  5. Step 5: Solve for x
    x = 113,979.41/376.60
  6. Step 6: Final answer
    x = 302.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.