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Finding the Fourth Proportional to 361.44, 498.83 and 230.42

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Solution

The fourth proportional to 361.44, 498.83 and 230.42 is: 318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.44 : 498.83 = 230.42 : x
  2. Step 2: Convert to fraction form
    361.44/498.83 = 230.42/x
  3. Step 3: Cross multiply
    361.44x = 498.83 × 230.42
  4. Step 4: Simplify right side
    361.44x = 114,940.50
  5. Step 5: Solve for x
    x = 114,940.50/361.44
  6. Step 6: Final answer
    x = 318.01

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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.