Home / 959.08-1,438.84-342.82

Finding the Fourth Proportional to 959.08, 1,438.84 and 342.82

Calculator

Solution

The fourth proportional to 959.08, 1,438.84 and 342.82 is: 514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.08 : 1,438.84 = 342.82 : x
  2. Step 2: Convert to fraction form
    959.08/1,438.84 = 342.82/x
  3. Step 3: Cross multiply
    959.08x = 1,438.84 × 342.82
  4. Step 4: Simplify right side
    959.08x = 493,263.13
  5. Step 5: Solve for x
    x = 493,263.13/959.08
  6. Step 6: Final answer
    x = 514.31

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.