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Finding the Fourth Proportional to 335.00, 502.08 and 231.46

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Solution

The fourth proportional to 335.00, 502.08 and 231.46 is: 346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.00 : 502.08 = 231.46 : x
  2. Step 2: Convert to fraction form
    335.00/502.08 = 231.46/x
  3. Step 3: Cross multiply
    335.00x = 502.08 × 231.46
  4. Step 4: Simplify right side
    335.00x = 116,212.93
  5. Step 5: Solve for x
    x = 116,212.93/335.00
  6. Step 6: Final answer
    x = 346.90

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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.