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Finding the Fourth Proportional to 377.75, 566.62 and 103.84

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Solution

The fourth proportional to 377.75, 566.62 and 103.84 is: 155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.75 : 566.62 = 103.84 : x
  2. Step 2: Convert to fraction form
    377.75/566.62 = 103.84/x
  3. Step 3: Cross multiply
    377.75x = 566.62 × 103.84
  4. Step 4: Simplify right side
    377.75x = 58,834.47
  5. Step 5: Solve for x
    x = 58,834.47/377.75
  6. Step 6: Final answer
    x = 155.75

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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.