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Finding the Fourth Proportional to 637.32, 955.26 and 363.48

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Solution

The fourth proportional to 637.32, 955.26 and 363.48 is: 544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.32 : 955.26 = 363.48 : x
  2. Step 2: Convert to fraction form
    637.32/955.26 = 363.48/x
  3. Step 3: Cross multiply
    637.32x = 955.26 × 363.48
  4. Step 4: Simplify right side
    637.32x = 347,217.90
  5. Step 5: Solve for x
    x = 347,217.90/637.32
  6. Step 6: Final answer
    x = 544.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.