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Finding the Fourth Proportional to 238.59, 356.31 and 236.07

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Solution

The fourth proportional to 238.59, 356.31 and 236.07 is: 352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.59 : 356.31 = 236.07 : x
  2. Step 2: Convert to fraction form
    238.59/356.31 = 236.07/x
  3. Step 3: Cross multiply
    238.59x = 356.31 × 236.07
  4. Step 4: Simplify right side
    238.59x = 84,114.10
  5. Step 5: Solve for x
    x = 84,114.10/238.59
  6. Step 6: Final answer
    x = 352.55

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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.