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Finding the Fourth Proportional to 335.55, 463.29 and 230.82

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Solution

The fourth proportional to 335.55, 463.29 and 230.82 is: 318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.55 : 463.29 = 230.82 : x
  2. Step 2: Convert to fraction form
    335.55/463.29 = 230.82/x
  3. Step 3: Cross multiply
    335.55x = 463.29 × 230.82
  4. Step 4: Simplify right side
    335.55x = 106,936.60
  5. Step 5: Solve for x
    x = 106,936.60/335.55
  6. Step 6: Final answer
    x = 318.69

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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.