Home / 200.61-276.85-113.29

Finding the Fourth Proportional to 200.61, 276.85 and 113.29

Calculator

Solution

The fourth proportional to 200.61, 276.85 and 113.29 is: 156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.61 : 276.85 = 113.29 : x
  2. Step 2: Convert to fraction form
    200.61/276.85 = 113.29/x
  3. Step 3: Cross multiply
    200.61x = 276.85 × 113.29
  4. Step 4: Simplify right side
    200.61x = 31,363.36
  5. Step 5: Solve for x
    x = 31,363.36/200.61
  6. Step 6: Final answer
    x = 156.34

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.