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Finding the Fourth Proportional to 650.11, 897.25 and 388.27

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Solution

The fourth proportional to 650.11, 897.25 and 388.27 is: 535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.11 : 897.25 = 388.27 : x
  2. Step 2: Convert to fraction form
    650.11/897.25 = 388.27/x
  3. Step 3: Cross multiply
    650.11x = 897.25 × 388.27
  4. Step 4: Simplify right side
    650.11x = 348,375.26
  5. Step 5: Solve for x
    x = 348,375.26/650.11
  6. Step 6: Final answer
    x = 535.87

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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.