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Finding the Fourth Proportional to 236, 354.08 and 230.08

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Solution

The fourth proportional to 236, 354.08 and 230.08 is: 345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236 : 354.08 = 230.08 : x
  2. Step 2: Convert to fraction form
    236/354.08 = 230.08/x
  3. Step 3: Cross multiply
    236x = 354.08 × 230.08
  4. Step 4: Simplify right side
    236x = 81,466.73
  5. Step 5: Solve for x
    x = 81,466.73/236
  6. Step 6: Final answer
    x = 345.20

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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.