Home / 540.95-746.49-308.06

Finding the Fourth Proportional to 540.95, 746.49 and 308.06

Calculator

Solution

The fourth proportional to 540.95, 746.49 and 308.06 is: 425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.95 : 746.49 = 308.06 : x
  2. Step 2: Convert to fraction form
    540.95/746.49 = 308.06/x
  3. Step 3: Cross multiply
    540.95x = 746.49 × 308.06
  4. Step 4: Simplify right side
    540.95x = 229,963.71
  5. Step 5: Solve for x
    x = 229,963.71/540.95
  6. Step 6: Final answer
    x = 425.11

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.