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Finding the Fourth Proportional to 264.26, 395.48 and 222.95

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Solution

The fourth proportional to 264.26, 395.48 and 222.95 is: 333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.26 : 395.48 = 222.95 : x
  2. Step 2: Convert to fraction form
    264.26/395.48 = 222.95/x
  3. Step 3: Cross multiply
    264.26x = 395.48 × 222.95
  4. Step 4: Simplify right side
    264.26x = 88,173.81
  5. Step 5: Solve for x
    x = 88,173.81/264.26
  6. Step 6: Final answer
    x = 333.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.