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Finding the Fourth Proportional to 241.98, 362.48 and 159.45

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Solution

The fourth proportional to 241.98, 362.48 and 159.45 is: 238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.98 : 362.48 = 159.45 : x
  2. Step 2: Convert to fraction form
    241.98/362.48 = 159.45/x
  3. Step 3: Cross multiply
    241.98x = 362.48 × 159.45
  4. Step 4: Simplify right side
    241.98x = 57,798.78
  5. Step 5: Solve for x
    x = 57,798.78/241.98
  6. Step 6: Final answer
    x = 238.86

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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.