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Finding the Fourth Proportional to 609.02, 912.22 and 377.98

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Solution

The fourth proportional to 609.02, 912.22 and 377.98 is: 566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.02 : 912.22 = 377.98 : x
  2. Step 2: Convert to fraction form
    609.02/912.22 = 377.98/x
  3. Step 3: Cross multiply
    609.02x = 912.22 × 377.98
  4. Step 4: Simplify right side
    609.02x = 344,800.92
  5. Step 5: Solve for x
    x = 344,800.92/609.02
  6. Step 6: Final answer
    x = 566.16

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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.