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Finding the Fourth Proportional to 364.22, 502.64 and 224.42

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Solution

The fourth proportional to 364.22, 502.64 and 224.42 is: 309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.22 : 502.64 = 224.42 : x
  2. Step 2: Convert to fraction form
    364.22/502.64 = 224.42/x
  3. Step 3: Cross multiply
    364.22x = 502.64 × 224.42
  4. Step 4: Simplify right side
    364.22x = 112,801.35
  5. Step 5: Solve for x
    x = 112,801.35/364.22
  6. Step 6: Final answer
    x = 309.71

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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.