Home / 642.44-963.72-277.26

Finding the Fourth Proportional to 642.44, 963.72 and 277.26

Calculator

Solution

The fourth proportional to 642.44, 963.72 and 277.26 is: 415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    642.44 : 963.72 = 277.26 : x
  2. Step 2: Convert to fraction form
    642.44/963.72 = 277.26/x
  3. Step 3: Cross multiply
    642.44x = 963.72 × 277.26
  4. Step 4: Simplify right side
    642.44x = 267,201.01
  5. Step 5: Solve for x
    x = 267,201.01/642.44
  6. Step 6: Final answer
    x = 415.92

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.