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Finding the Fourth Proportional to 384.44, 577.14 and 364.28

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Solution

The fourth proportional to 384.44, 577.14 and 364.28 is: 546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.44 : 577.14 = 364.28 : x
  2. Step 2: Convert to fraction form
    384.44/577.14 = 364.28/x
  3. Step 3: Cross multiply
    384.44x = 577.14 × 364.28
  4. Step 4: Simplify right side
    384.44x = 210,240.56
  5. Step 5: Solve for x
    x = 210,240.56/384.44
  6. Step 6: Final answer
    x = 546.87

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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.