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Finding the Fourth Proportional to 394.66, 592.00 and 151.36

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Solution

The fourth proportional to 394.66, 592.00 and 151.36 is: 227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.66 : 592.00 = 151.36 : x
  2. Step 2: Convert to fraction form
    394.66/592.00 = 151.36/x
  3. Step 3: Cross multiply
    394.66x = 592.00 × 151.36
  4. Step 4: Simplify right side
    394.66x = 89,605.35
  5. Step 5: Solve for x
    x = 89,605.35/394.66
  6. Step 6: Final answer
    x = 227.04

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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.