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Finding the Fourth Proportional to 397.13, 548.08 and 241.88

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Solution

The fourth proportional to 397.13, 548.08 and 241.88 is: 333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.13 : 548.08 = 241.88 : x
  2. Step 2: Convert to fraction form
    397.13/548.08 = 241.88/x
  3. Step 3: Cross multiply
    397.13x = 548.08 × 241.88
  4. Step 4: Simplify right side
    397.13x = 132,566.25
  5. Step 5: Solve for x
    x = 132,566.25/397.13
  6. Step 6: Final answer
    x = 333.81

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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.