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Finding the Fourth Proportional to 404.46, 606.33 and 369.66

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Solution

The fourth proportional to 404.46, 606.33 and 369.66 is: 554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.46 : 606.33 = 369.66 : x
  2. Step 2: Convert to fraction form
    404.46/606.33 = 369.66/x
  3. Step 3: Cross multiply
    404.46x = 606.33 × 369.66
  4. Step 4: Simplify right side
    404.46x = 224,135.95
  5. Step 5: Solve for x
    x = 224,135.95/404.46
  6. Step 6: Final answer
    x = 554.16

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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.