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Finding the Fourth Proportional to 361.04, 498.08 and 230.02

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Solution

The fourth proportional to 361.04, 498.08 and 230.02 is: 317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.04 : 498.08 = 230.02 : x
  2. Step 2: Convert to fraction form
    361.04/498.08 = 230.02/x
  3. Step 3: Cross multiply
    361.04x = 498.08 × 230.02
  4. Step 4: Simplify right side
    361.04x = 114,567.69
  5. Step 5: Solve for x
    x = 114,567.69/361.04
  6. Step 6: Final answer
    x = 317.33

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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.