Home / 186.78-258.03-164.82

Finding the Fourth Proportional to 186.78, 258.03 and 164.82

Calculator

Solution

The fourth proportional to 186.78, 258.03 and 164.82 is: 227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.78 : 258.03 = 164.82 : x
  2. Step 2: Convert to fraction form
    186.78/258.03 = 164.82/x
  3. Step 3: Cross multiply
    186.78x = 258.03 × 164.82
  4. Step 4: Simplify right side
    186.78x = 42,528.50
  5. Step 5: Solve for x
    x = 42,528.50/186.78
  6. Step 6: Final answer
    x = 227.69

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.