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Finding the Fourth Proportional to 452.32, 622.17 and 377.59

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Solution

The fourth proportional to 452.32, 622.17 and 377.59 is: 519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.32 : 622.17 = 377.59 : x
  2. Step 2: Convert to fraction form
    452.32/622.17 = 377.59/x
  3. Step 3: Cross multiply
    452.32x = 622.17 × 377.59
  4. Step 4: Simplify right side
    452.32x = 234,922.06
  5. Step 5: Solve for x
    x = 234,922.06/452.32
  6. Step 6: Final answer
    x = 519.38

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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.