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Finding the Fourth Proportional to 236.08, 353.28 and 164.08

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Solution

The fourth proportional to 236.08, 353.28 and 164.08 is: 245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.08 : 353.28 = 164.08 : x
  2. Step 2: Convert to fraction form
    236.08/353.28 = 164.08/x
  3. Step 3: Cross multiply
    236.08x = 353.28 × 164.08
  4. Step 4: Simplify right side
    236.08x = 57,966.18
  5. Step 5: Solve for x
    x = 57,966.18/236.08
  6. Step 6: Final answer
    x = 245.54

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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.