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Finding the Fourth Proportional to 358.93, 539.10 and 222.24

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Solution

The fourth proportional to 358.93, 539.10 and 222.24 is: 333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.93 : 539.10 = 222.24 : x
  2. Step 2: Convert to fraction form
    358.93/539.10 = 222.24/x
  3. Step 3: Cross multiply
    358.93x = 539.10 × 222.24
  4. Step 4: Simplify right side
    358.93x = 119,809.58
  5. Step 5: Solve for x
    x = 119,809.58/358.93
  6. Step 6: Final answer
    x = 333.80

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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.