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Finding the Fourth Proportional to 163.56, 244.37 and 136.36

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Solution

The fourth proportional to 163.56, 244.37 and 136.36 is: 203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.56 : 244.37 = 136.36 : x
  2. Step 2: Convert to fraction form
    163.56/244.37 = 136.36/x
  3. Step 3: Cross multiply
    163.56x = 244.37 × 136.36
  4. Step 4: Simplify right side
    163.56x = 33,322.29
  5. Step 5: Solve for x
    x = 33,322.29/163.56
  6. Step 6: Final answer
    x = 203.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.