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Finding the Fourth Proportional to 236.06, 325.46 and 169.64

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Solution

The fourth proportional to 236.06, 325.46 and 169.64 is: 233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.06 : 325.46 = 169.64 : x
  2. Step 2: Convert to fraction form
    236.06/325.46 = 169.64/x
  3. Step 3: Cross multiply
    236.06x = 325.46 × 169.64
  4. Step 4: Simplify right side
    236.06x = 55,211.03
  5. Step 5: Solve for x
    x = 55,211.03/236.06
  6. Step 6: Final answer
    x = 233.89

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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.