Home / 146.48-218.32-143.24

Finding the Fourth Proportional to 146.48, 218.32 and 143.24

Calculator

Solution

The fourth proportional to 146.48, 218.32 and 143.24 is: 213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.48 : 218.32 = 143.24 : x
  2. Step 2: Convert to fraction form
    146.48/218.32 = 143.24/x
  3. Step 3: Cross multiply
    146.48x = 218.32 × 143.24
  4. Step 4: Simplify right side
    146.48x = 31,272.16
  5. Step 5: Solve for x
    x = 31,272.16/146.48
  6. Step 6: Final answer
    x = 213.49

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.