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Finding the Fourth Proportional to 493.01, 739.48 and 200.44

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Solution

The fourth proportional to 493.01, 739.48 and 200.44 is: 300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.01 : 739.48 = 200.44 : x
  2. Step 2: Convert to fraction form
    493.01/739.48 = 200.44/x
  3. Step 3: Cross multiply
    493.01x = 739.48 × 200.44
  4. Step 4: Simplify right side
    493.01x = 148,221.37
  5. Step 5: Solve for x
    x = 148,221.37/493.01
  6. Step 6: Final answer
    x = 300.65

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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.