Home / 303.08-418.27-172.10

Finding the Fourth Proportional to 303.08, 418.27 and 172.10

Calculator

Solution

The fourth proportional to 303.08, 418.27 and 172.10 is: 237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.08 : 418.27 = 172.10 : x
  2. Step 2: Convert to fraction form
    303.08/418.27 = 172.10/x
  3. Step 3: Cross multiply
    303.08x = 418.27 × 172.10
  4. Step 4: Simplify right side
    303.08x = 71,984.27
  5. Step 5: Solve for x
    x = 71,984.27/303.08
  6. Step 6: Final answer
    x = 237.51

Related Problems

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.