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Finding the Fourth Proportional to 241.45, 331.20 and 227.47

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Solution

The fourth proportional to 241.45, 331.20 and 227.47 is: 312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.45 : 331.20 = 227.47 : x
  2. Step 2: Convert to fraction form
    241.45/331.20 = 227.47/x
  3. Step 3: Cross multiply
    241.45x = 331.20 × 227.47
  4. Step 4: Simplify right side
    241.45x = 75,338.32
  5. Step 5: Solve for x
    x = 75,338.32/241.45
  6. Step 6: Final answer
    x = 312.03

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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.