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Finding the Fourth Proportional to 236.24, 352.90 and 224.40

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Solution

The fourth proportional to 236.24, 352.90 and 224.40 is: 335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.24 : 352.90 = 224.40 : x
  2. Step 2: Convert to fraction form
    236.24/352.90 = 224.40/x
  3. Step 3: Cross multiply
    236.24x = 352.90 × 224.40
  4. Step 4: Simplify right side
    236.24x = 79,190.76
  5. Step 5: Solve for x
    x = 79,190.76/236.24
  6. Step 6: Final answer
    x = 335.21

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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.