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Finding the Fourth Proportional to 161.62, 241.83 and 96.38

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Solution

The fourth proportional to 161.62, 241.83 and 96.38 is: 144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.62 : 241.83 = 96.38 : x
  2. Step 2: Convert to fraction form
    161.62/241.83 = 96.38/x
  3. Step 3: Cross multiply
    161.62x = 241.83 × 96.38
  4. Step 4: Simplify right side
    161.62x = 23,307.09
  5. Step 5: Solve for x
    x = 23,307.09/161.62
  6. Step 6: Final answer
    x = 144.21

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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.