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Finding the Fourth Proportional to 254.12, 383.44 and 244.63

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Solution

The fourth proportional to 254.12, 383.44 and 244.63 is: 369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.12 : 383.44 = 244.63 : x
  2. Step 2: Convert to fraction form
    254.12/383.44 = 244.63/x
  3. Step 3: Cross multiply
    254.12x = 383.44 × 244.63
  4. Step 4: Simplify right side
    254.12x = 93,797.79
  5. Step 5: Solve for x
    x = 93,797.79/254.12
  6. Step 6: Final answer
    x = 369.11

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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.