Home / 472.81-708.45-266.76

Finding the Fourth Proportional to 472.81, 708.45 and 266.76

Calculator

Solution

The fourth proportional to 472.81, 708.45 and 266.76 is: 399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.81 : 708.45 = 266.76 : x
  2. Step 2: Convert to fraction form
    472.81/708.45 = 266.76/x
  3. Step 3: Cross multiply
    472.81x = 708.45 × 266.76
  4. Step 4: Simplify right side
    472.81x = 188,988.78
  5. Step 5: Solve for x
    x = 188,988.78/472.81
  6. Step 6: Final answer
    x = 399.72

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.