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Finding the Fourth Proportional to 628.79, 936.91 and 600.85

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Solution

The fourth proportional to 628.79, 936.91 and 600.85 is: 895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.79 : 936.91 = 600.85 : x
  2. Step 2: Convert to fraction form
    628.79/936.91 = 600.85/x
  3. Step 3: Cross multiply
    628.79x = 936.91 × 600.85
  4. Step 4: Simplify right side
    628.79x = 562,942.37
  5. Step 5: Solve for x
    x = 562,942.37/628.79
  6. Step 6: Final answer
    x = 895.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.