Home / 514.55-771.90-149.37

Finding the Fourth Proportional to 514.55, 771.90 and 149.37

Calculator

Solution

The fourth proportional to 514.55, 771.90 and 149.37 is: 224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.55 : 771.90 = 149.37 : x
  2. Step 2: Convert to fraction form
    514.55/771.90 = 149.37/x
  3. Step 3: Cross multiply
    514.55x = 771.90 × 149.37
  4. Step 4: Simplify right side
    514.55x = 115,298.68
  5. Step 5: Solve for x
    x = 115,298.68/514.55
  6. Step 6: Final answer
    x = 224.08

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.