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Finding the Fourth Proportional to 264.65, 397.58 and 229.41

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Solution

The fourth proportional to 264.65, 397.58 and 229.41 is: 344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.65 : 397.58 = 229.41 : x
  2. Step 2: Convert to fraction form
    264.65/397.58 = 229.41/x
  3. Step 3: Cross multiply
    264.65x = 397.58 × 229.41
  4. Step 4: Simplify right side
    264.65x = 91,207.68
  5. Step 5: Solve for x
    x = 91,207.68/264.65
  6. Step 6: Final answer
    x = 344.64

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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.