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Finding the Fourth Proportional to 364.31, 546.36 and 227.42

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Solution

The fourth proportional to 364.31, 546.36 and 227.42 is: 341.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.31 : 546.36 = 227.42 : x
  2. Step 2: Convert to fraction form
    364.31/546.36 = 227.42/x
  3. Step 3: Cross multiply
    364.31x = 546.36 × 227.42
  4. Step 4: Simplify right side
    364.31x = 124,253.19
  5. Step 5: Solve for x
    x = 124,253.19/364.31
  6. Step 6: Final answer
    x = 341.06

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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.