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Finding the Fourth Proportional to 163.83, 244.57 and 158.13

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Solution

The fourth proportional to 163.83, 244.57 and 158.13 is: 236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.83 : 244.57 = 158.13 : x
  2. Step 2: Convert to fraction form
    163.83/244.57 = 158.13/x
  3. Step 3: Cross multiply
    163.83x = 244.57 × 158.13
  4. Step 4: Simplify right side
    163.83x = 38,673.85
  5. Step 5: Solve for x
    x = 38,673.85/163.83
  6. Step 6: Final answer
    x = 236.06

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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.