Home / 240.47-331.49-170.30

Finding the Fourth Proportional to 240.47, 331.49 and 170.30

Calculator

Solution

The fourth proportional to 240.47, 331.49 and 170.30 is: 234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.47 : 331.49 = 170.30 : x
  2. Step 2: Convert to fraction form
    240.47/331.49 = 170.30/x
  3. Step 3: Cross multiply
    240.47x = 331.49 × 170.30
  4. Step 4: Simplify right side
    240.47x = 56,454.00
  5. Step 5: Solve for x
    x = 56,454.00/240.47
  6. Step 6: Final answer
    x = 234.77

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.