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Finding the Fourth Proportional to 632.03, 871.77 and 579.75

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Solution

The fourth proportional to 632.03, 871.77 and 579.75 is: 799.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.03 : 871.77 = 579.75 : x
  2. Step 2: Convert to fraction form
    632.03/871.77 = 579.75/x
  3. Step 3: Cross multiply
    632.03x = 871.77 × 579.75
  4. Step 4: Simplify right side
    632.03x = 505,408.66
  5. Step 5: Solve for x
    x = 505,408.66/632.03
  6. Step 6: Final answer
    x = 799.66

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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.