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Finding the Fourth Proportional to 404.90, 559.01 and 265.27

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Solution

The fourth proportional to 404.90, 559.01 and 265.27 is: 366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.90 : 559.01 = 265.27 : x
  2. Step 2: Convert to fraction form
    404.90/559.01 = 265.27/x
  3. Step 3: Cross multiply
    404.90x = 559.01 × 265.27
  4. Step 4: Simplify right side
    404.90x = 148,288.58
  5. Step 5: Solve for x
    x = 148,288.58/404.90
  6. Step 6: Final answer
    x = 366.24

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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.