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Finding the Fourth Proportional to 355.23, 532.75 and 225.04

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Solution

The fourth proportional to 355.23, 532.75 and 225.04 is: 337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.23 : 532.75 = 225.04 : x
  2. Step 2: Convert to fraction form
    355.23/532.75 = 225.04/x
  3. Step 3: Cross multiply
    355.23x = 532.75 × 225.04
  4. Step 4: Simplify right side
    355.23x = 119,888.17
  5. Step 5: Solve for x
    x = 119,888.17/355.23
  6. Step 6: Final answer
    x = 337.49

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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.