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Finding the Fourth Proportional to 598.97, 823.68 and 479.45

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Solution

The fourth proportional to 598.97, 823.68 and 479.45 is: 659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.97 : 823.68 = 479.45 : x
  2. Step 2: Convert to fraction form
    598.97/823.68 = 479.45/x
  3. Step 3: Cross multiply
    598.97x = 823.68 × 479.45
  4. Step 4: Simplify right side
    598.97x = 394,915.44
  5. Step 5: Solve for x
    x = 394,915.44/598.97
  6. Step 6: Final answer
    x = 659.32

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Similar ratio
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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.