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Finding the Fourth Proportional to 377.36, 566.19 and 255.56

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Solution

The fourth proportional to 377.36, 566.19 and 255.56 is: 383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.36 : 566.19 = 255.56 : x
  2. Step 2: Convert to fraction form
    377.36/566.19 = 255.56/x
  3. Step 3: Cross multiply
    377.36x = 566.19 × 255.56
  4. Step 4: Simplify right side
    377.36x = 144,692.69
  5. Step 5: Solve for x
    x = 144,692.69/377.36
  6. Step 6: Final answer
    x = 383.44

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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.