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Finding the Fourth Proportional to 377.95, 566.87 and 134.42

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Solution

The fourth proportional to 377.95, 566.87 and 134.42 is: 201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.95 : 566.87 = 134.42 : x
  2. Step 2: Convert to fraction form
    377.95/566.87 = 134.42/x
  3. Step 3: Cross multiply
    377.95x = 566.87 × 134.42
  4. Step 4: Simplify right side
    377.95x = 76,199.41
  5. Step 5: Solve for x
    x = 76,199.41/377.95
  6. Step 6: Final answer
    x = 201.61

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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.