Home / 206.51-309.26-119.64

Finding the Fourth Proportional to 206.51, 309.26 and 119.64

Calculator

Solution

The fourth proportional to 206.51, 309.26 and 119.64 is: 179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.51 : 309.26 = 119.64 : x
  2. Step 2: Convert to fraction form
    206.51/309.26 = 119.64/x
  3. Step 3: Cross multiply
    206.51x = 309.26 × 119.64
  4. Step 4: Simplify right side
    206.51x = 37,000.17
  5. Step 5: Solve for x
    x = 37,000.17/206.51
  6. Step 6: Final answer
    x = 179.17

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.