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Finding the Fourth Proportional to 353.16, 487.24 and 236.52

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Solution

The fourth proportional to 353.16, 487.24 and 236.52 is: 326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.16 : 487.24 = 236.52 : x
  2. Step 2: Convert to fraction form
    353.16/487.24 = 236.52/x
  3. Step 3: Cross multiply
    353.16x = 487.24 × 236.52
  4. Step 4: Simplify right side
    353.16x = 115,242.00
  5. Step 5: Solve for x
    x = 115,242.00/353.16
  6. Step 6: Final answer
    x = 326.32

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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.