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Finding the Fourth Proportional to 160.82, 241.24 and 69.52

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Solution

The fourth proportional to 160.82, 241.24 and 69.52 is: 104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.82 : 241.24 = 69.52 : x
  2. Step 2: Convert to fraction form
    160.82/241.24 = 69.52/x
  3. Step 3: Cross multiply
    160.82x = 241.24 × 69.52
  4. Step 4: Simplify right side
    160.82x = 16,771.00
  5. Step 5: Solve for x
    x = 16,771.00/160.82
  6. Step 6: Final answer
    x = 104.28

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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.