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Finding the Fourth Proportional to 236.44, 356.06 and 206.37

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Solution

The fourth proportional to 236.44, 356.06 and 206.37 is: 310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.44 : 356.06 = 206.37 : x
  2. Step 2: Convert to fraction form
    236.44/356.06 = 206.37/x
  3. Step 3: Cross multiply
    236.44x = 356.06 × 206.37
  4. Step 4: Simplify right side
    236.44x = 73,479.07
  5. Step 5: Solve for x
    x = 73,479.07/236.44
  6. Step 6: Final answer
    x = 310.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.