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Finding the Fourth Proportional to 239.39, 356.74 and 232.36

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Solution

The fourth proportional to 239.39, 356.74 and 232.36 is: 346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.39 : 356.74 = 232.36 : x
  2. Step 2: Convert to fraction form
    239.39/356.74 = 232.36/x
  3. Step 3: Cross multiply
    239.39x = 356.74 × 232.36
  4. Step 4: Simplify right side
    239.39x = 82,890.63
  5. Step 5: Solve for x
    x = 82,890.63/239.39
  6. Step 6: Final answer
    x = 346.26

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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.