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Finding the Fourth Proportional to 255.52, 354.22 and 241.66

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Solution

The fourth proportional to 255.52, 354.22 and 241.66 is: 335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.52 : 354.22 = 241.66 : x
  2. Step 2: Convert to fraction form
    255.52/354.22 = 241.66/x
  3. Step 3: Cross multiply
    255.52x = 354.22 × 241.66
  4. Step 4: Simplify right side
    255.52x = 85,599.03
  5. Step 5: Solve for x
    x = 85,599.03/255.52
  6. Step 6: Final answer
    x = 335.01

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.