Home / 200.90-301.40-92.76

Finding the Fourth Proportional to 200.90, 301.40 and 92.76

Calculator

Solution

The fourth proportional to 200.90, 301.40 and 92.76 is: 139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.90 : 301.40 = 92.76 : x
  2. Step 2: Convert to fraction form
    200.90/301.40 = 92.76/x
  3. Step 3: Cross multiply
    200.90x = 301.40 × 92.76
  4. Step 4: Simplify right side
    200.90x = 27,957.86
  5. Step 5: Solve for x
    x = 27,957.86/200.90
  6. Step 6: Final answer
    x = 139.16

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.