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Finding the Fourth Proportional to 358.17, 493.83 and 233.82

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Solution

The fourth proportional to 358.17, 493.83 and 233.82 is: 322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.17 : 493.83 = 233.82 : x
  2. Step 2: Convert to fraction form
    358.17/493.83 = 233.82/x
  3. Step 3: Cross multiply
    358.17x = 493.83 × 233.82
  4. Step 4: Simplify right side
    358.17x = 115,467.33
  5. Step 5: Solve for x
    x = 115,467.33/358.17
  6. Step 6: Final answer
    x = 322.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.