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Finding the Fourth Proportional to 240.20, 362.31 and 236.84

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Solution

The fourth proportional to 240.20, 362.31 and 236.84 is: 357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.20 : 362.31 = 236.84 : x
  2. Step 2: Convert to fraction form
    240.20/362.31 = 236.84/x
  3. Step 3: Cross multiply
    240.20x = 362.31 × 236.84
  4. Step 4: Simplify right side
    240.20x = 85,809.50
  5. Step 5: Solve for x
    x = 85,809.50/240.20
  6. Step 6: Final answer
    x = 357.24

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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.