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Finding the Fourth Proportional to 377.69, 566.17 and 146.41

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Solution

The fourth proportional to 377.69, 566.17 and 146.41 is: 219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.69 : 566.17 = 146.41 : x
  2. Step 2: Convert to fraction form
    377.69/566.17 = 146.41/x
  3. Step 3: Cross multiply
    377.69x = 566.17 × 146.41
  4. Step 4: Simplify right side
    377.69x = 82,891.68
  5. Step 5: Solve for x
    x = 82,891.68/377.69
  6. Step 6: Final answer
    x = 219.47

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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.