Home / 330.18-496.30-313.98

Finding the Fourth Proportional to 330.18, 496.30 and 313.98

Calculator

Solution

The fourth proportional to 330.18, 496.30 and 313.98 is: 471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.18 : 496.30 = 313.98 : x
  2. Step 2: Convert to fraction form
    330.18/496.30 = 313.98/x
  3. Step 3: Cross multiply
    330.18x = 496.30 × 313.98
  4. Step 4: Simplify right side
    330.18x = 155,828.27
  5. Step 5: Solve for x
    x = 155,828.27/330.18
  6. Step 6: Final answer
    x = 471.95

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.