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Finding the Fourth Proportional to 348.35, 522.23 and 225.02

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Solution

The fourth proportional to 348.35, 522.23 and 225.02 is: 337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.35 : 522.23 = 225.02 : x
  2. Step 2: Convert to fraction form
    348.35/522.23 = 225.02/x
  3. Step 3: Cross multiply
    348.35x = 522.23 × 225.02
  4. Step 4: Simplify right side
    348.35x = 117,508.46
  5. Step 5: Solve for x
    x = 117,508.46/348.35
  6. Step 6: Final answer
    x = 337.33

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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.