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Finding the Fourth Proportional to 650.75, 893.48 and 633.83

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Solution

The fourth proportional to 650.75, 893.48 and 633.83 is: 870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.75 : 893.48 = 633.83 : x
  2. Step 2: Convert to fraction form
    650.75/893.48 = 633.83/x
  3. Step 3: Cross multiply
    650.75x = 893.48 × 633.83
  4. Step 4: Simplify right side
    650.75x = 566,306.79
  5. Step 5: Solve for x
    x = 566,306.79/650.75
  6. Step 6: Final answer
    x = 870.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.