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Finding the Fourth Proportional to 377.68, 519.62 and 333.22

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Solution

The fourth proportional to 377.68, 519.62 and 333.22 is: 458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.68 : 519.62 = 333.22 : x
  2. Step 2: Convert to fraction form
    377.68/519.62 = 333.22/x
  3. Step 3: Cross multiply
    377.68x = 519.62 × 333.22
  4. Step 4: Simplify right side
    377.68x = 173,147.78
  5. Step 5: Solve for x
    x = 173,147.78/377.68
  6. Step 6: Final answer
    x = 458.45

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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.