Home / 483.40-663.77-461.80

Finding the Fourth Proportional to 483.40, 663.77 and 461.80

Calculator

Solution

The fourth proportional to 483.40, 663.77 and 461.80 is: 634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.40 : 663.77 = 461.80 : x
  2. Step 2: Convert to fraction form
    483.40/663.77 = 461.80/x
  3. Step 3: Cross multiply
    483.40x = 663.77 × 461.80
  4. Step 4: Simplify right side
    483.40x = 306,528.99
  5. Step 5: Solve for x
    x = 306,528.99/483.40
  6. Step 6: Final answer
    x = 634.11

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.