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Finding the Fourth Proportional to 377.45, 519.41 and 333.89

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Solution

The fourth proportional to 377.45, 519.41 and 333.89 is: 459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.45 : 519.41 = 333.89 : x
  2. Step 2: Convert to fraction form
    377.45/519.41 = 333.89/x
  3. Step 3: Cross multiply
    377.45x = 519.41 × 333.89
  4. Step 4: Simplify right side
    377.45x = 173,424.14
  5. Step 5: Solve for x
    x = 173,424.14/377.45
  6. Step 6: Final answer
    x = 459.46

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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.