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Finding the Fourth Proportional to 404.04, 606.56 and 336.39

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Solution

The fourth proportional to 404.04, 606.56 and 336.39 is: 505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.04 : 606.56 = 336.39 : x
  2. Step 2: Convert to fraction form
    404.04/606.56 = 336.39/x
  3. Step 3: Cross multiply
    404.04x = 606.56 × 336.39
  4. Step 4: Simplify right side
    404.04x = 204,040.72
  5. Step 5: Solve for x
    x = 204,040.72/404.04
  6. Step 6: Final answer
    x = 505.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.