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Finding the Fourth Proportional to 235.37, 351.36 and 204.61

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Solution

The fourth proportional to 235.37, 351.36 and 204.61 is: 305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.37 : 351.36 = 204.61 : x
  2. Step 2: Convert to fraction form
    235.37/351.36 = 204.61/x
  3. Step 3: Cross multiply
    235.37x = 351.36 × 204.61
  4. Step 4: Simplify right side
    235.37x = 71,893.61
  5. Step 5: Solve for x
    x = 71,893.61/235.37
  6. Step 6: Final answer
    x = 305.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.