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Finding the Fourth Proportional to 383.08, 576.24 and 347.44

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Solution

The fourth proportional to 383.08, 576.24 and 347.44 is: 522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.08 : 576.24 = 347.44 : x
  2. Step 2: Convert to fraction form
    383.08/576.24 = 347.44/x
  3. Step 3: Cross multiply
    383.08x = 576.24 × 347.44
  4. Step 4: Simplify right side
    383.08x = 200,208.83
  5. Step 5: Solve for x
    x = 200,208.83/383.08
  6. Step 6: Final answer
    x = 522.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.