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Finding the Fourth Proportional to 229.80, 316.77 and 167.54

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Solution

The fourth proportional to 229.80, 316.77 and 167.54 is: 230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.80 : 316.77 = 167.54 : x
  2. Step 2: Convert to fraction form
    229.80/316.77 = 167.54/x
  3. Step 3: Cross multiply
    229.80x = 316.77 × 167.54
  4. Step 4: Simplify right side
    229.80x = 53,069.43
  5. Step 5: Solve for x
    x = 53,069.43/229.80
  6. Step 6: Final answer
    x = 230.93

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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.