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Finding the Fourth Proportional to 236.59, 326.54 and 163.02

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Solution

The fourth proportional to 236.59, 326.54 and 163.02 is: 225.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.59 : 326.54 = 163.02 : x
  2. Step 2: Convert to fraction form
    236.59/326.54 = 163.02/x
  3. Step 3: Cross multiply
    236.59x = 326.54 × 163.02
  4. Step 4: Simplify right side
    236.59x = 53,232.55
  5. Step 5: Solve for x
    x = 53,232.55/236.59
  6. Step 6: Final answer
    x = 225.00

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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.