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Finding the Fourth Proportional to 161.23, 241.91 and 96.22

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Solution

The fourth proportional to 161.23, 241.91 and 96.22 is: 144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.23 : 241.91 = 96.22 : x
  2. Step 2: Convert to fraction form
    161.23/241.91 = 96.22/x
  3. Step 3: Cross multiply
    161.23x = 241.91 × 96.22
  4. Step 4: Simplify right side
    161.23x = 23,276.10
  5. Step 5: Solve for x
    x = 23,276.10/161.23
  6. Step 6: Final answer
    x = 144.37

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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.