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Finding the Fourth Proportional to 629.89, 941.22 and 480.82

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Solution

The fourth proportional to 629.89, 941.22 and 480.82 is: 718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.89 : 941.22 = 480.82 : x
  2. Step 2: Convert to fraction form
    629.89/941.22 = 480.82/x
  3. Step 3: Cross multiply
    629.89x = 941.22 × 480.82
  4. Step 4: Simplify right side
    629.89x = 452,550.29
  5. Step 5: Solve for x
    x = 452,550.29/629.89
  6. Step 6: Final answer
    x = 718.46

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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.