Home / 810.76-1,216.16-233.68

Finding the Fourth Proportional to 810.76, 1,216.16 and 233.68

Calculator

Solution

The fourth proportional to 810.76, 1,216.16 and 233.68 is: 350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    810.76 : 1,216.16 = 233.68 : x
  2. Step 2: Convert to fraction form
    810.76/1,216.16 = 233.68/x
  3. Step 3: Cross multiply
    810.76x = 1,216.16 × 233.68
  4. Step 4: Simplify right side
    810.76x = 284,192.27
  5. Step 5: Solve for x
    x = 284,192.27/810.76
  6. Step 6: Final answer
    x = 350.53

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.