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Finding the Fourth Proportional to 588.23, 811.78 and 326.25

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Solution

The fourth proportional to 588.23, 811.78 and 326.25 is: 450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.23 : 811.78 = 326.25 : x
  2. Step 2: Convert to fraction form
    588.23/811.78 = 326.25/x
  3. Step 3: Cross multiply
    588.23x = 811.78 × 326.25
  4. Step 4: Simplify right side
    588.23x = 264,839.17
  5. Step 5: Solve for x
    x = 264,839.17/588.23
  6. Step 6: Final answer
    x = 450.23

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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.