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Finding the Fourth Proportional to 358.29, 537.77 and 236.63

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Solution

The fourth proportional to 358.29, 537.77 and 236.63 is: 355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.29 : 537.77 = 236.63 : x
  2. Step 2: Convert to fraction form
    358.29/537.77 = 236.63/x
  3. Step 3: Cross multiply
    358.29x = 537.77 × 236.63
  4. Step 4: Simplify right side
    358.29x = 127,252.52
  5. Step 5: Solve for x
    x = 127,252.52/358.29
  6. Step 6: Final answer
    x = 355.17

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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.