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Finding the Fourth Proportional to 377.60, 566.39 and 134.12

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Solution

The fourth proportional to 377.60, 566.39 and 134.12 is: 201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.60 : 566.39 = 134.12 : x
  2. Step 2: Convert to fraction form
    377.60/566.39 = 134.12/x
  3. Step 3: Cross multiply
    377.60x = 566.39 × 134.12
  4. Step 4: Simplify right side
    377.60x = 75,965.98
  5. Step 5: Solve for x
    x = 75,965.98/377.60
  6. Step 6: Final answer
    x = 201.18

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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.