Home / 187.11-280.53-146.61

Finding the Fourth Proportional to 187.11, 280.53 and 146.61

Calculator

Solution

The fourth proportional to 187.11, 280.53 and 146.61 is: 219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.11 : 280.53 = 146.61 : x
  2. Step 2: Convert to fraction form
    187.11/280.53 = 146.61/x
  3. Step 3: Cross multiply
    187.11x = 280.53 × 146.61
  4. Step 4: Simplify right side
    187.11x = 41,128.50
  5. Step 5: Solve for x
    x = 41,128.50/187.11
  6. Step 6: Final answer
    x = 219.81

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.