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Finding the Fourth Proportional to 693.43, 957.62 and 444.87

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Solution

The fourth proportional to 693.43, 957.62 and 444.87 is: 614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.43 : 957.62 = 444.87 : x
  2. Step 2: Convert to fraction form
    693.43/957.62 = 444.87/x
  3. Step 3: Cross multiply
    693.43x = 957.62 × 444.87
  4. Step 4: Simplify right side
    693.43x = 426,016.41
  5. Step 5: Solve for x
    x = 426,016.41/693.43
  6. Step 6: Final answer
    x = 614.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.