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Finding the Fourth Proportional to 244.53, 368.55 and 231.21

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Solution

The fourth proportional to 244.53, 368.55 and 231.21 is: 348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.53 : 368.55 = 231.21 : x
  2. Step 2: Convert to fraction form
    244.53/368.55 = 231.21/x
  3. Step 3: Cross multiply
    244.53x = 368.55 × 231.21
  4. Step 4: Simplify right side
    244.53x = 85,212.45
  5. Step 5: Solve for x
    x = 85,212.45/244.53
  6. Step 6: Final answer
    x = 348.47

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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.