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Finding the Fourth Proportional to 169.03, 233.55 and 163.20

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Solution

The fourth proportional to 169.03, 233.55 and 163.20 is: 225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.03 : 233.55 = 163.20 : x
  2. Step 2: Convert to fraction form
    169.03/233.55 = 163.20/x
  3. Step 3: Cross multiply
    169.03x = 233.55 × 163.20
  4. Step 4: Simplify right side
    169.03x = 38,115.36
  5. Step 5: Solve for x
    x = 38,115.36/169.03
  6. Step 6: Final answer
    x = 225.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.