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Finding the Fourth Proportional to 376.20, 519.22 and 265.56

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Solution

The fourth proportional to 376.20, 519.22 and 265.56 is: 366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.20 : 519.22 = 265.56 : x
  2. Step 2: Convert to fraction form
    376.20/519.22 = 265.56/x
  3. Step 3: Cross multiply
    376.20x = 519.22 × 265.56
  4. Step 4: Simplify right side
    376.20x = 137,884.06
  5. Step 5: Solve for x
    x = 137,884.06/376.20
  6. Step 6: Final answer
    x = 366.52

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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.