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Finding the Fourth Proportional to 609.89, 914.81 and 501.44

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Solution

The fourth proportional to 609.89, 914.81 and 501.44 is: 752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.89 : 914.81 = 501.44 : x
  2. Step 2: Convert to fraction form
    609.89/914.81 = 501.44/x
  3. Step 3: Cross multiply
    609.89x = 914.81 × 501.44
  4. Step 4: Simplify right side
    609.89x = 458,715.25
  5. Step 5: Solve for x
    x = 458,715.25/609.89
  6. Step 6: Final answer
    x = 752.13

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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.