Home / 559.14-771.30-372.58

Finding the Fourth Proportional to 559.14, 771.30 and 372.58

Calculator

Solution

The fourth proportional to 559.14, 771.30 and 372.58 is: 513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.14 : 771.30 = 372.58 : x
  2. Step 2: Convert to fraction form
    559.14/771.30 = 372.58/x
  3. Step 3: Cross multiply
    559.14x = 771.30 × 372.58
  4. Step 4: Simplify right side
    559.14x = 287,370.95
  5. Step 5: Solve for x
    x = 287,370.95/559.14
  6. Step 6: Final answer
    x = 513.95

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.