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Finding the Fourth Proportional to 239.95, 357.37 and 224.96

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Solution

The fourth proportional to 239.95, 357.37 and 224.96 is: 335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.95 : 357.37 = 224.96 : x
  2. Step 2: Convert to fraction form
    239.95/357.37 = 224.96/x
  3. Step 3: Cross multiply
    239.95x = 357.37 × 224.96
  4. Step 4: Simplify right side
    239.95x = 80,393.96
  5. Step 5: Solve for x
    x = 80,393.96/239.95
  6. Step 6: Final answer
    x = 335.05

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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.