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Finding the Fourth Proportional to 626.59, 863.01 and 587.37

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Solution

The fourth proportional to 626.59, 863.01 and 587.37 is: 808.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.59 : 863.01 = 587.37 : x
  2. Step 2: Convert to fraction form
    626.59/863.01 = 587.37/x
  3. Step 3: Cross multiply
    626.59x = 863.01 × 587.37
  4. Step 4: Simplify right side
    626.59x = 506,906.18
  5. Step 5: Solve for x
    x = 506,906.18/626.59
  6. Step 6: Final answer
    x = 808.99

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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.