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Finding the Fourth Proportional to 404.97, 558.99 and 263.37

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Solution

The fourth proportional to 404.97, 558.99 and 263.37 is: 363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.97 : 558.99 = 263.37 : x
  2. Step 2: Convert to fraction form
    404.97/558.99 = 263.37/x
  3. Step 3: Cross multiply
    404.97x = 558.99 × 263.37
  4. Step 4: Simplify right side
    404.97x = 147,223.29
  5. Step 5: Solve for x
    x = 147,223.29/404.97
  6. Step 6: Final answer
    x = 363.54

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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.