Home / 494.02-739.24-298.30

Finding the Fourth Proportional to 494.02, 739.24 and 298.30

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Solution

The fourth proportional to 494.02, 739.24 and 298.30 is: 446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.02 : 739.24 = 298.30 : x
  2. Step 2: Convert to fraction form
    494.02/739.24 = 298.30/x
  3. Step 3: Cross multiply
    494.02x = 739.24 × 298.30
  4. Step 4: Simplify right side
    494.02x = 220,515.29
  5. Step 5: Solve for x
    x = 220,515.29/494.02
  6. Step 6: Final answer
    x = 446.37

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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.