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Finding the Fourth Proportional to 588.12, 811.48 and 367.12

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Solution

The fourth proportional to 588.12, 811.48 and 367.12 is: 506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.12 : 811.48 = 367.12 : x
  2. Step 2: Convert to fraction form
    588.12/811.48 = 367.12/x
  3. Step 3: Cross multiply
    588.12x = 811.48 × 367.12
  4. Step 4: Simplify right side
    588.12x = 297,910.54
  5. Step 5: Solve for x
    x = 297,910.54/588.12
  6. Step 6: Final answer
    x = 506.55

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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.