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Finding the Fourth Proportional to 563.33, 844.41 and 380.74

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Solution

The fourth proportional to 563.33, 844.41 and 380.74 is: 570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.33 : 844.41 = 380.74 : x
  2. Step 2: Convert to fraction form
    563.33/844.41 = 380.74/x
  3. Step 3: Cross multiply
    563.33x = 844.41 × 380.74
  4. Step 4: Simplify right side
    563.33x = 321,499.98
  5. Step 5: Solve for x
    x = 321,499.98/563.33
  6. Step 6: Final answer
    x = 570.72

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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.