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Finding the Fourth Proportional to 240.89, 330.26 and 236.51

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Solution

The fourth proportional to 240.89, 330.26 and 236.51 is: 324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.89 : 330.26 = 236.51 : x
  2. Step 2: Convert to fraction form
    240.89/330.26 = 236.51/x
  3. Step 3: Cross multiply
    240.89x = 330.26 × 236.51
  4. Step 4: Simplify right side
    240.89x = 78,111.21
  5. Step 5: Solve for x
    x = 78,111.21/240.89
  6. Step 6: Final answer
    x = 324.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.