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Finding the Fourth Proportional to 244.70, 368.70 and 202.31

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Solution

The fourth proportional to 244.70, 368.70 and 202.31 is: 304.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.70 : 368.70 = 202.31 : x
  2. Step 2: Convert to fraction form
    244.70/368.70 = 202.31/x
  3. Step 3: Cross multiply
    244.70x = 368.70 × 202.31
  4. Step 4: Simplify right side
    244.70x = 74,589.85
  5. Step 5: Solve for x
    x = 74,589.85/244.70
  6. Step 6: Final answer
    x = 304.83

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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.