Home / 230.39-345.48-114.79

Finding the Fourth Proportional to 230.39, 345.48 and 114.79

Calculator

Solution

The fourth proportional to 230.39, 345.48 and 114.79 is: 172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.39 : 345.48 = 114.79 : x
  2. Step 2: Convert to fraction form
    230.39/345.48 = 114.79/x
  3. Step 3: Cross multiply
    230.39x = 345.48 × 114.79
  4. Step 4: Simplify right side
    230.39x = 39,657.22
  5. Step 5: Solve for x
    x = 39,657.22/230.39
  6. Step 6: Final answer
    x = 172.13

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.