Home / 634.46-950.85-287.28

Finding the Fourth Proportional to 634.46, 950.85 and 287.28

Calculator

Solution

The fourth proportional to 634.46, 950.85 and 287.28 is: 430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.46 : 950.85 = 287.28 : x
  2. Step 2: Convert to fraction form
    634.46/950.85 = 287.28/x
  3. Step 3: Cross multiply
    634.46x = 950.85 × 287.28
  4. Step 4: Simplify right side
    634.46x = 273,160.19
  5. Step 5: Solve for x
    x = 273,160.19/634.46
  6. Step 6: Final answer
    x = 430.54

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.