Home / 753.24-1,129.24-266.60

Finding the Fourth Proportional to 753.24, 1,129.24 and 266.60

Calculator

Solution

The fourth proportional to 753.24, 1,129.24 and 266.60 is: 399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    753.24 : 1,129.24 = 266.60 : x
  2. Step 2: Convert to fraction form
    753.24/1,129.24 = 266.60/x
  3. Step 3: Cross multiply
    753.24x = 1,129.24 × 266.60
  4. Step 4: Simplify right side
    753.24x = 301,055.38
  5. Step 5: Solve for x
    x = 301,055.38/753.24
  6. Step 6: Final answer
    x = 399.68

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.