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Finding the Fourth Proportional to 297.38, 445.26 and 236.36

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Solution

The fourth proportional to 297.38, 445.26 and 236.36 is: 353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.38 : 445.26 = 236.36 : x
  2. Step 2: Convert to fraction form
    297.38/445.26 = 236.36/x
  3. Step 3: Cross multiply
    297.38x = 445.26 × 236.36
  4. Step 4: Simplify right side
    297.38x = 105,241.65
  5. Step 5: Solve for x
    x = 105,241.65/297.38
  6. Step 6: Final answer
    x = 353.90

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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.