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Finding the Fourth Proportional to 302.16, 453.08 and 226

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Solution

The fourth proportional to 302.16, 453.08 and 226 is: 338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.16 : 453.08 = 226 : x
  2. Step 2: Convert to fraction form
    302.16/453.08 = 226/x
  3. Step 3: Cross multiply
    302.16x = 453.08 × 226
  4. Step 4: Simplify right side
    302.16x = 102,396.08
  5. Step 5: Solve for x
    x = 102,396.08/302.16
  6. Step 6: Final answer
    x = 338.88

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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.