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Finding the Fourth Proportional to 266.20, 365.33 and 241.49

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Solution

The fourth proportional to 266.20, 365.33 and 241.49 is: 331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.20 : 365.33 = 241.49 : x
  2. Step 2: Convert to fraction form
    266.20/365.33 = 241.49/x
  3. Step 3: Cross multiply
    266.20x = 365.33 × 241.49
  4. Step 4: Simplify right side
    266.20x = 88,225.06
  5. Step 5: Solve for x
    x = 88,225.06/266.20
  6. Step 6: Final answer
    x = 331.43

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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.