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Finding the Fourth Proportional to 237.36, 354.11 and 231.33

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Solution

The fourth proportional to 237.36, 354.11 and 231.33 is: 345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.36 : 354.11 = 231.33 : x
  2. Step 2: Convert to fraction form
    237.36/354.11 = 231.33/x
  3. Step 3: Cross multiply
    237.36x = 354.11 × 231.33
  4. Step 4: Simplify right side
    237.36x = 81,915.11
  5. Step 5: Solve for x
    x = 81,915.11/237.36
  6. Step 6: Final answer
    x = 345.11

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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.