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Finding the Fourth Proportional to 383.46, 576.39 and 364.26

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Solution

The fourth proportional to 383.46, 576.39 and 364.26 is: 547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.46 : 576.39 = 364.26 : x
  2. Step 2: Convert to fraction form
    383.46/576.39 = 364.26/x
  3. Step 3: Cross multiply
    383.46x = 576.39 × 364.26
  4. Step 4: Simplify right side
    383.46x = 209,955.82
  5. Step 5: Solve for x
    x = 209,955.82/383.46
  6. Step 6: Final answer
    x = 547.53

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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.