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Finding the Fourth Proportional to 579.97, 869.91 and 233.49

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Solution

The fourth proportional to 579.97, 869.91 and 233.49 is: 350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.97 : 869.91 = 233.49 : x
  2. Step 2: Convert to fraction form
    579.97/869.91 = 233.49/x
  3. Step 3: Cross multiply
    579.97x = 869.91 × 233.49
  4. Step 4: Simplify right side
    579.97x = 203,117.67
  5. Step 5: Solve for x
    x = 203,117.67/579.97
  6. Step 6: Final answer
    x = 350.22

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Double scale
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Similar ratio
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1.5x scale

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.