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Finding the Fourth Proportional to 444.09, 669.46 and 414.36

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Solution

The fourth proportional to 444.09, 669.46 and 414.36 is: 624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.09 : 669.46 = 414.36 : x
  2. Step 2: Convert to fraction form
    444.09/669.46 = 414.36/x
  3. Step 3: Cross multiply
    444.09x = 669.46 × 414.36
  4. Step 4: Simplify right side
    444.09x = 277,394.10
  5. Step 5: Solve for x
    x = 277,394.10/444.09
  6. Step 6: Final answer
    x = 624.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.