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Finding the Fourth Proportional to 625.37, 863.30 and 363.33

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Solution

The fourth proportional to 625.37, 863.30 and 363.33 is: 501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.37 : 863.30 = 363.33 : x
  2. Step 2: Convert to fraction form
    625.37/863.30 = 363.33/x
  3. Step 3: Cross multiply
    625.37x = 863.30 × 363.33
  4. Step 4: Simplify right side
    625.37x = 313,662.79
  5. Step 5: Solve for x
    x = 313,662.79/625.37
  6. Step 6: Final answer
    x = 501.56

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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.