Home / 237.02-355.27-90.70

Finding the Fourth Proportional to 237.02, 355.27 and 90.70

Calculator

Solution

The fourth proportional to 237.02, 355.27 and 90.70 is: 135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.02 : 355.27 = 90.70 : x
  2. Step 2: Convert to fraction form
    237.02/355.27 = 90.70/x
  3. Step 3: Cross multiply
    237.02x = 355.27 × 90.70
  4. Step 4: Simplify right side
    237.02x = 32,222.99
  5. Step 5: Solve for x
    x = 32,222.99/237.02
  6. Step 6: Final answer
    x = 135.95

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.