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Finding the Fourth Proportional to 404.69, 606.15 and 250.65

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Solution

The fourth proportional to 404.69, 606.15 and 250.65 is: 375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.69 : 606.15 = 250.65 : x
  2. Step 2: Convert to fraction form
    404.69/606.15 = 250.65/x
  3. Step 3: Cross multiply
    404.69x = 606.15 × 250.65
  4. Step 4: Simplify right side
    404.69x = 151,931.50
  5. Step 5: Solve for x
    x = 151,931.50/404.69
  6. Step 6: Final answer
    x = 375.43

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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.