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Finding the Fourth Proportional to 244.58, 368.20 and 223.05

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Solution

The fourth proportional to 244.58, 368.20 and 223.05 is: 335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.58 : 368.20 = 223.05 : x
  2. Step 2: Convert to fraction form
    244.58/368.20 = 223.05/x
  3. Step 3: Cross multiply
    244.58x = 368.20 × 223.05
  4. Step 4: Simplify right side
    244.58x = 82,127.01
  5. Step 5: Solve for x
    x = 82,127.01/244.58
  6. Step 6: Final answer
    x = 335.79

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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.