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Finding the Fourth Proportional to 241.13, 359.38 and 239.12

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Solution

The fourth proportional to 241.13, 359.38 and 239.12 is: 356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.13 : 359.38 = 239.12 : x
  2. Step 2: Convert to fraction form
    241.13/359.38 = 239.12/x
  3. Step 3: Cross multiply
    241.13x = 359.38 × 239.12
  4. Step 4: Simplify right side
    241.13x = 85,935.13
  5. Step 5: Solve for x
    x = 85,935.13/241.13
  6. Step 6: Final answer
    x = 356.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.