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Finding the Fourth Proportional to 377.55, 566.21 and 134.02

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Solution

The fourth proportional to 377.55, 566.21 and 134.02 is: 200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.55 : 566.21 = 134.02 : x
  2. Step 2: Convert to fraction form
    377.55/566.21 = 134.02/x
  3. Step 3: Cross multiply
    377.55x = 566.21 × 134.02
  4. Step 4: Simplify right side
    377.55x = 75,880.57
  5. Step 5: Solve for x
    x = 75,880.57/377.55
  6. Step 6: Final answer
    x = 200.98

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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.