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Finding the Fourth Proportional to 444.35, 662.09 and 395.85

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Solution

The fourth proportional to 444.35, 662.09 and 395.85 is: 589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.35 : 662.09 = 395.85 : x
  2. Step 2: Convert to fraction form
    444.35/662.09 = 395.85/x
  3. Step 3: Cross multiply
    444.35x = 662.09 × 395.85
  4. Step 4: Simplify right side
    444.35x = 262,088.83
  5. Step 5: Solve for x
    x = 262,088.83/444.35
  6. Step 6: Final answer
    x = 589.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.