Home / 282.72-426.19-263.90

Finding the Fourth Proportional to 282.72, 426.19 and 263.90

Calculator

Solution

The fourth proportional to 282.72, 426.19 and 263.90 is: 397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.72 : 426.19 = 263.90 : x
  2. Step 2: Convert to fraction form
    282.72/426.19 = 263.90/x
  3. Step 3: Cross multiply
    282.72x = 426.19 × 263.90
  4. Step 4: Simplify right side
    282.72x = 112,471.61
  5. Step 5: Solve for x
    x = 112,471.61/282.72
  6. Step 6: Final answer
    x = 397.83

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.