Home / 303.99-455.25-298.95

Finding the Fourth Proportional to 303.99, 455.25 and 298.95

Calculator

Solution

The fourth proportional to 303.99, 455.25 and 298.95 is: 447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.99 : 455.25 = 298.95 : x
  2. Step 2: Convert to fraction form
    303.99/455.25 = 298.95/x
  3. Step 3: Cross multiply
    303.99x = 455.25 × 298.95
  4. Step 4: Simplify right side
    303.99x = 136,096.99
  5. Step 5: Solve for x
    x = 136,096.99/303.99
  6. Step 6: Final answer
    x = 447.70

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.