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Finding the Fourth Proportional to 626.86, 940.49 and 444.10

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Solution

The fourth proportional to 626.86, 940.49 and 444.10 is: 666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.86 : 940.49 = 444.10 : x
  2. Step 2: Convert to fraction form
    626.86/940.49 = 444.10/x
  3. Step 3: Cross multiply
    626.86x = 940.49 × 444.10
  4. Step 4: Simplify right side
    626.86x = 417,671.61
  5. Step 5: Solve for x
    x = 417,671.61/626.86
  6. Step 6: Final answer
    x = 666.29

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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.