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Finding the Fourth Proportional to 364.01, 502.13 and 216.60

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Solution

The fourth proportional to 364.01, 502.13 and 216.60 is: 298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.01 : 502.13 = 216.60 : x
  2. Step 2: Convert to fraction form
    364.01/502.13 = 216.60/x
  3. Step 3: Cross multiply
    364.01x = 502.13 × 216.60
  4. Step 4: Simplify right side
    364.01x = 108,760.28
  5. Step 5: Solve for x
    x = 108,760.28/364.01
  6. Step 6: Final answer
    x = 298.79

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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.