Home / 611.71-917.46-200.85

Finding the Fourth Proportional to 611.71, 917.46 and 200.85

Calculator

Solution

The fourth proportional to 611.71, 917.46 and 200.85 is: 301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.71 : 917.46 = 200.85 : x
  2. Step 2: Convert to fraction form
    611.71/917.46 = 200.85/x
  3. Step 3: Cross multiply
    611.71x = 917.46 × 200.85
  4. Step 4: Simplify right side
    611.71x = 184,276.14
  5. Step 5: Solve for x
    x = 184,276.14/611.71
  6. Step 6: Final answer
    x = 301.25

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.