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Finding the Fourth Proportional to 377.55, 566.40 and 134.24

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Solution

The fourth proportional to 377.55, 566.40 and 134.24 is: 201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.55 : 566.40 = 134.24 : x
  2. Step 2: Convert to fraction form
    377.55/566.40 = 134.24/x
  3. Step 3: Cross multiply
    377.55x = 566.40 × 134.24
  4. Step 4: Simplify right side
    377.55x = 76,031.21
  5. Step 5: Solve for x
    x = 76,031.21/377.55
  6. Step 6: Final answer
    x = 201.38

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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.