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Finding the Fourth Proportional to 241.12, 360.96 and 228.88

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Solution

The fourth proportional to 241.12, 360.96 and 228.88 is: 342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.12 : 360.96 = 228.88 : x
  2. Step 2: Convert to fraction form
    241.12/360.96 = 228.88/x
  3. Step 3: Cross multiply
    241.12x = 360.96 × 228.88
  4. Step 4: Simplify right side
    241.12x = 82,616.52
  5. Step 5: Solve for x
    x = 82,616.52/241.12
  6. Step 6: Final answer
    x = 342.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.