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Finding the Fourth Proportional to 358.24, 536.74 and 236.46

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Solution

The fourth proportional to 358.24, 536.74 and 236.46 is: 354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.24 : 536.74 = 236.46 : x
  2. Step 2: Convert to fraction form
    358.24/536.74 = 236.46/x
  3. Step 3: Cross multiply
    358.24x = 536.74 × 236.46
  4. Step 4: Simplify right side
    358.24x = 126,917.54
  5. Step 5: Solve for x
    x = 126,917.54/358.24
  6. Step 6: Final answer
    x = 354.28

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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.