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Finding the Fourth Proportional to 522.24, 779.09 and 481.23

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Solution

The fourth proportional to 522.24, 779.09 and 481.23 is: 717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.24 : 779.09 = 481.23 : x
  2. Step 2: Convert to fraction form
    522.24/779.09 = 481.23/x
  3. Step 3: Cross multiply
    522.24x = 779.09 × 481.23
  4. Step 4: Simplify right side
    522.24x = 374,921.48
  5. Step 5: Solve for x
    x = 374,921.48/522.24
  6. Step 6: Final answer
    x = 717.91

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1.5x scale

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.