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Finding the Fourth Proportional to 444.69, 662.24 and 435.11

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Solution

The fourth proportional to 444.69, 662.24 and 435.11 is: 647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.69 : 662.24 = 435.11 : x
  2. Step 2: Convert to fraction form
    444.69/662.24 = 435.11/x
  3. Step 3: Cross multiply
    444.69x = 662.24 × 435.11
  4. Step 4: Simplify right side
    444.69x = 288,145.02
  5. Step 5: Solve for x
    x = 288,145.02/444.69
  6. Step 6: Final answer
    x = 647.97

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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.