Home / 455.52-681.48-310.80

Finding the Fourth Proportional to 455.52, 681.48 and 310.80

Calculator

Solution

The fourth proportional to 455.52, 681.48 and 310.80 is: 464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    455.52 : 681.48 = 310.80 : x
  2. Step 2: Convert to fraction form
    455.52/681.48 = 310.80/x
  3. Step 3: Cross multiply
    455.52x = 681.48 × 310.80
  4. Step 4: Simplify right side
    455.52x = 211,803.98
  5. Step 5: Solve for x
    x = 211,803.98/455.52
  6. Step 6: Final answer
    x = 464.97

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.