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Finding the Fourth Proportional to 626.04, 863.74 and 360.47

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Solution

The fourth proportional to 626.04, 863.74 and 360.47 is: 497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.04 : 863.74 = 360.47 : x
  2. Step 2: Convert to fraction form
    626.04/863.74 = 360.47/x
  3. Step 3: Cross multiply
    626.04x = 863.74 × 360.47
  4. Step 4: Simplify right side
    626.04x = 311,352.36
  5. Step 5: Solve for x
    x = 311,352.36/626.04
  6. Step 6: Final answer
    x = 497.34

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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.