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Finding the Fourth Proportional to 588.13, 811.58 and 326.13

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Solution

The fourth proportional to 588.13, 811.58 and 326.13 is: 450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.13 : 811.58 = 326.13 : x
  2. Step 2: Convert to fraction form
    588.13/811.58 = 326.13/x
  3. Step 3: Cross multiply
    588.13x = 811.58 × 326.13
  4. Step 4: Simplify right side
    588.13x = 264,680.59
  5. Step 5: Solve for x
    x = 264,680.59/588.13
  6. Step 6: Final answer
    x = 450.04

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