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Finding the Fourth Proportional to 236.75, 356.76 and 229.46

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Solution

The fourth proportional to 236.75, 356.76 and 229.46 is: 345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.75 : 356.76 = 229.46 : x
  2. Step 2: Convert to fraction form
    236.75/356.76 = 229.46/x
  3. Step 3: Cross multiply
    236.75x = 356.76 × 229.46
  4. Step 4: Simplify right side
    236.75x = 81,860.37
  5. Step 5: Solve for x
    x = 81,860.37/236.75
  6. Step 6: Final answer
    x = 345.77

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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.