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Finding the Fourth Proportional to 588.17, 811.13 and 377.97

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Solution

The fourth proportional to 588.17, 811.13 and 377.97 is: 521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.17 : 811.13 = 377.97 : x
  2. Step 2: Convert to fraction form
    588.17/811.13 = 377.97/x
  3. Step 3: Cross multiply
    588.17x = 811.13 × 377.97
  4. Step 4: Simplify right side
    588.17x = 306,582.81
  5. Step 5: Solve for x
    x = 306,582.81/588.17
  6. Step 6: Final answer
    x = 521.25

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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.