Home / 424.93-636.79-168.13

Finding the Fourth Proportional to 424.93, 636.79 and 168.13

Calculator

Solution

The fourth proportional to 424.93, 636.79 and 168.13 is: 251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.93 : 636.79 = 168.13 : x
  2. Step 2: Convert to fraction form
    424.93/636.79 = 168.13/x
  3. Step 3: Cross multiply
    424.93x = 636.79 × 168.13
  4. Step 4: Simplify right side
    424.93x = 107,059.90
  5. Step 5: Solve for x
    x = 107,059.90/424.93
  6. Step 6: Final answer
    x = 251.95

Related Problems

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.