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Finding the Fourth Proportional to 195.48, 293.04 and 161.28

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Solution

The fourth proportional to 195.48, 293.04 and 161.28 is: 241.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.48 : 293.04 = 161.28 : x
  2. Step 2: Convert to fraction form
    195.48/293.04 = 161.28/x
  3. Step 3: Cross multiply
    195.48x = 293.04 × 161.28
  4. Step 4: Simplify right side
    195.48x = 47,261.49
  5. Step 5: Solve for x
    x = 47,261.49/195.48
  6. Step 6: Final answer
    x = 241.77

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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.