Home / 331.66-497.49-149.02

Finding the Fourth Proportional to 331.66, 497.49 and 149.02

Calculator

Solution

The fourth proportional to 331.66, 497.49 and 149.02 is: 223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.66 : 497.49 = 149.02 : x
  2. Step 2: Convert to fraction form
    331.66/497.49 = 149.02/x
  3. Step 3: Cross multiply
    331.66x = 497.49 × 149.02
  4. Step 4: Simplify right side
    331.66x = 74,135.96
  5. Step 5: Solve for x
    x = 74,135.96/331.66
  6. Step 6: Final answer
    x = 223.53

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.