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Finding the Fourth Proportional to 637.33, 879.44 and 371.83

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Solution

The fourth proportional to 637.33, 879.44 and 371.83 is: 513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.33 : 879.44 = 371.83 : x
  2. Step 2: Convert to fraction form
    637.33/879.44 = 371.83/x
  3. Step 3: Cross multiply
    637.33x = 879.44 × 371.83
  4. Step 4: Simplify right side
    637.33x = 327,002.18
  5. Step 5: Solve for x
    x = 327,002.18/637.33
  6. Step 6: Final answer
    x = 513.08

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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.