Home / 544.48-751.44-311.68

Finding the Fourth Proportional to 544.48, 751.44 and 311.68

Calculator

Solution

The fourth proportional to 544.48, 751.44 and 311.68 is: 430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.48 : 751.44 = 311.68 : x
  2. Step 2: Convert to fraction form
    544.48/751.44 = 311.68/x
  3. Step 3: Cross multiply
    544.48x = 751.44 × 311.68
  4. Step 4: Simplify right side
    544.48x = 234,208.82
  5. Step 5: Solve for x
    x = 234,208.82/544.48
  6. Step 6: Final answer
    x = 430.15

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.