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Finding the Fourth Proportional to 329.97, 455.19 and 241.38

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Solution

The fourth proportional to 329.97, 455.19 and 241.38 is: 332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.97 : 455.19 = 241.38 : x
  2. Step 2: Convert to fraction form
    329.97/455.19 = 241.38/x
  3. Step 3: Cross multiply
    329.97x = 455.19 × 241.38
  4. Step 4: Simplify right side
    329.97x = 109,873.76
  5. Step 5: Solve for x
    x = 109,873.76/329.97
  6. Step 6: Final answer
    x = 332.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.