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Finding the Fourth Proportional to 263.59, 364.11 and 229.07

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Solution

The fourth proportional to 263.59, 364.11 and 229.07 is: 316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.59 : 364.11 = 229.07 : x
  2. Step 2: Convert to fraction form
    263.59/364.11 = 229.07/x
  3. Step 3: Cross multiply
    263.59x = 364.11 × 229.07
  4. Step 4: Simplify right side
    263.59x = 83,407.59
  5. Step 5: Solve for x
    x = 83,407.59/263.59
  6. Step 6: Final answer
    x = 316.43

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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.