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Finding the Fourth Proportional to 376.68, 562.11 and 335.78

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Solution

The fourth proportional to 376.68, 562.11 and 335.78 is: 501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.68 : 562.11 = 335.78 : x
  2. Step 2: Convert to fraction form
    376.68/562.11 = 335.78/x
  3. Step 3: Cross multiply
    376.68x = 562.11 × 335.78
  4. Step 4: Simplify right side
    376.68x = 188,742.49
  5. Step 5: Solve for x
    x = 188,742.49/376.68
  6. Step 6: Final answer
    x = 501.07

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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.