Home / 558.23-769.98-336.80

Finding the Fourth Proportional to 558.23, 769.98 and 336.80

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Solution

The fourth proportional to 558.23, 769.98 and 336.80 is: 464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.23 : 769.98 = 336.80 : x
  2. Step 2: Convert to fraction form
    558.23/769.98 = 336.80/x
  3. Step 3: Cross multiply
    558.23x = 769.98 × 336.80
  4. Step 4: Simplify right side
    558.23x = 259,331.19
  5. Step 5: Solve for x
    x = 259,331.19/558.23
  6. Step 6: Final answer
    x = 464.56

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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.