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Finding the Fourth Proportional to 650.81, 893.34 and 575.48

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Solution

The fourth proportional to 650.81, 893.34 and 575.48 is: 789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.81 : 893.34 = 575.48 : x
  2. Step 2: Convert to fraction form
    650.81/893.34 = 575.48/x
  3. Step 3: Cross multiply
    650.81x = 893.34 × 575.48
  4. Step 4: Simplify right side
    650.81x = 514,099.30
  5. Step 5: Solve for x
    x = 514,099.30/650.81
  6. Step 6: Final answer
    x = 789.94

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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.