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Finding the Fourth Proportional to 176.80, 244.02 and 162.22

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Solution

The fourth proportional to 176.80, 244.02 and 162.22 is: 223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.80 : 244.02 = 162.22 : x
  2. Step 2: Convert to fraction form
    176.80/244.02 = 162.22/x
  3. Step 3: Cross multiply
    176.80x = 244.02 × 162.22
  4. Step 4: Simplify right side
    176.80x = 39,584.92
  5. Step 5: Solve for x
    x = 39,584.92/176.80
  6. Step 6: Final answer
    x = 223.90

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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.