Home / 276.77-382.13-211.61

Finding the Fourth Proportional to 276.77, 382.13 and 211.61

Calculator

Solution

The fourth proportional to 276.77, 382.13 and 211.61 is: 292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.77 : 382.13 = 211.61 : x
  2. Step 2: Convert to fraction form
    276.77/382.13 = 211.61/x
  3. Step 3: Cross multiply
    276.77x = 382.13 × 211.61
  4. Step 4: Simplify right side
    276.77x = 80,862.53
  5. Step 5: Solve for x
    x = 80,862.53/276.77
  6. Step 6: Final answer
    x = 292.17

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.