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Finding the Fourth Proportional to 364.18, 502.41 and 216.73

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Solution

The fourth proportional to 364.18, 502.41 and 216.73 is: 298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.18 : 502.41 = 216.73 : x
  2. Step 2: Convert to fraction form
    364.18/502.41 = 216.73/x
  3. Step 3: Cross multiply
    364.18x = 502.41 × 216.73
  4. Step 4: Simplify right side
    364.18x = 108,887.32
  5. Step 5: Solve for x
    x = 108,887.32/364.18
  6. Step 6: Final answer
    x = 298.99

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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.