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Finding the Fourth Proportional to 364.17, 502.66 and 222.43

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Solution

The fourth proportional to 364.17, 502.66 and 222.43 is: 307.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.17 : 502.66 = 222.43 : x
  2. Step 2: Convert to fraction form
    364.17/502.66 = 222.43/x
  3. Step 3: Cross multiply
    364.17x = 502.66 × 222.43
  4. Step 4: Simplify right side
    364.17x = 111,806.66
  5. Step 5: Solve for x
    x = 111,806.66/364.17
  6. Step 6: Final answer
    x = 307.02

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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.