Home / 323.82-485.16-201.90

Finding the Fourth Proportional to 323.82, 485.16 and 201.90

Calculator

Solution

The fourth proportional to 323.82, 485.16 and 201.90 is: 302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.82 : 485.16 = 201.90 : x
  2. Step 2: Convert to fraction form
    323.82/485.16 = 201.90/x
  3. Step 3: Cross multiply
    323.82x = 485.16 × 201.90
  4. Step 4: Simplify right side
    323.82x = 97,953.80
  5. Step 5: Solve for x
    x = 97,953.80/323.82
  6. Step 6: Final answer
    x = 302.49

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.