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Finding the Fourth Proportional to 609.42, 841.23 and 544.62

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Solution

The fourth proportional to 609.42, 841.23 and 544.62 is: 751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.42 : 841.23 = 544.62 : x
  2. Step 2: Convert to fraction form
    609.42/841.23 = 544.62/x
  3. Step 3: Cross multiply
    609.42x = 841.23 × 544.62
  4. Step 4: Simplify right side
    609.42x = 458,150.68
  5. Step 5: Solve for x
    x = 458,150.68/609.42
  6. Step 6: Final answer
    x = 751.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.