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Finding the Fourth Proportional to 229.73, 317.10 and 177.27

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Solution

The fourth proportional to 229.73, 317.10 and 177.27 is: 244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.73 : 317.10 = 177.27 : x
  2. Step 2: Convert to fraction form
    229.73/317.10 = 177.27/x
  3. Step 3: Cross multiply
    229.73x = 317.10 × 177.27
  4. Step 4: Simplify right side
    229.73x = 56,212.32
  5. Step 5: Solve for x
    x = 56,212.32/229.73
  6. Step 6: Final answer
    x = 244.69

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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.