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Finding the Fourth Proportional to 227.67, 314.70 and 162.60

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Solution

The fourth proportional to 227.67, 314.70 and 162.60 is: 224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.67 : 314.70 = 162.60 : x
  2. Step 2: Convert to fraction form
    227.67/314.70 = 162.60/x
  3. Step 3: Cross multiply
    227.67x = 314.70 × 162.60
  4. Step 4: Simplify right side
    227.67x = 51,170.22
  5. Step 5: Solve for x
    x = 51,170.22/227.67
  6. Step 6: Final answer
    x = 224.76

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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.