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Finding the Fourth Proportional to 377.96, 522.18 and 328.52

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Solution

The fourth proportional to 377.96, 522.18 and 328.52 is: 453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.96 : 522.18 = 328.52 : x
  2. Step 2: Convert to fraction form
    377.96/522.18 = 328.52/x
  3. Step 3: Cross multiply
    377.96x = 522.18 × 328.52
  4. Step 4: Simplify right side
    377.96x = 171,546.57
  5. Step 5: Solve for x
    x = 171,546.57/377.96
  6. Step 6: Final answer
    x = 453.87

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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.