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Finding the Fourth Proportional to 377.15, 566.09 and 194.68

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Solution

The fourth proportional to 377.15, 566.09 and 194.68 is: 292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.15 : 566.09 = 194.68 : x
  2. Step 2: Convert to fraction form
    377.15/566.09 = 194.68/x
  3. Step 3: Cross multiply
    377.15x = 566.09 × 194.68
  4. Step 4: Simplify right side
    377.15x = 110,202.60
  5. Step 5: Solve for x
    x = 110,202.60/377.15
  6. Step 6: Final answer
    x = 292.20

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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.