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Finding the Fourth Proportional to 632.88, 873.48 and 371.05

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Solution

The fourth proportional to 632.88, 873.48 and 371.05 is: 512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.88 : 873.48 = 371.05 : x
  2. Step 2: Convert to fraction form
    632.88/873.48 = 371.05/x
  3. Step 3: Cross multiply
    632.88x = 873.48 × 371.05
  4. Step 4: Simplify right side
    632.88x = 324,103.96
  5. Step 5: Solve for x
    x = 324,103.96/632.88
  6. Step 6: Final answer
    x = 512.11

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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.