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Finding the Fourth Proportional to 629.00, 867.92 and 366.96

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Solution

The fourth proportional to 629.00, 867.92 and 366.96 is: 506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.00 : 867.92 = 366.96 : x
  2. Step 2: Convert to fraction form
    629.00/867.92 = 366.96/x
  3. Step 3: Cross multiply
    629.00x = 867.92 × 366.96
  4. Step 4: Simplify right side
    629.00x = 318,490.09
  5. Step 5: Solve for x
    x = 318,490.09/629.00
  6. Step 6: Final answer
    x = 506.35

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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.