Home / 372.26-513.97-347.63

Finding the Fourth Proportional to 372.26, 513.97 and 347.63

Calculator

Solution

The fourth proportional to 372.26, 513.97 and 347.63 is: 479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.26 : 513.97 = 347.63 : x
  2. Step 2: Convert to fraction form
    372.26/513.97 = 347.63/x
  3. Step 3: Cross multiply
    372.26x = 513.97 × 347.63
  4. Step 4: Simplify right side
    372.26x = 178,667.95
  5. Step 5: Solve for x
    x = 178,667.95/372.26
  6. Step 6: Final answer
    x = 479.95

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.