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Finding the Fourth Proportional to 244.64, 335.70 and 222.64

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Solution

The fourth proportional to 244.64, 335.70 and 222.64 is: 305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.64 : 335.70 = 222.64 : x
  2. Step 2: Convert to fraction form
    244.64/335.70 = 222.64/x
  3. Step 3: Cross multiply
    244.64x = 335.70 × 222.64
  4. Step 4: Simplify right side
    244.64x = 74,740.25
  5. Step 5: Solve for x
    x = 74,740.25/244.64
  6. Step 6: Final answer
    x = 305.51

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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.