Home / 588.13-811.76-355.25

Finding the Fourth Proportional to 588.13, 811.76 and 355.25

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Solution

The fourth proportional to 588.13, 811.76 and 355.25 is: 490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.13 : 811.76 = 355.25 : x
  2. Step 2: Convert to fraction form
    588.13/811.76 = 355.25/x
  3. Step 3: Cross multiply
    588.13x = 811.76 × 355.25
  4. Step 4: Simplify right side
    588.13x = 288,377.99
  5. Step 5: Solve for x
    x = 288,377.99/588.13
  6. Step 6: Final answer
    x = 490.33

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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.