Home / 656.15-984.23-347.94

Finding the Fourth Proportional to 656.15, 984.23 and 347.94

Calculator

Solution

The fourth proportional to 656.15, 984.23 and 347.94 is: 521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.15 : 984.23 = 347.94 : x
  2. Step 2: Convert to fraction form
    656.15/984.23 = 347.94/x
  3. Step 3: Cross multiply
    656.15x = 984.23 × 347.94
  4. Step 4: Simplify right side
    656.15x = 342,451.25
  5. Step 5: Solve for x
    x = 342,451.25/656.15
  6. Step 6: Final answer
    x = 521.91

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.