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Finding the Fourth Proportional to 609.36, 914.57 and 244.40

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Solution

The fourth proportional to 609.36, 914.57 and 244.40 is: 366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.36 : 914.57 = 244.40 : x
  2. Step 2: Convert to fraction form
    609.36/914.57 = 244.40/x
  3. Step 3: Cross multiply
    609.36x = 914.57 × 244.40
  4. Step 4: Simplify right side
    609.36x = 223,515.11
  5. Step 5: Solve for x
    x = 223,515.11/609.36
  6. Step 6: Final answer
    x = 366.80

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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.