Home / 320.02-479.96-114.61

Finding the Fourth Proportional to 320.02, 479.96 and 114.61

Calculator

Solution

The fourth proportional to 320.02, 479.96 and 114.61 is: 171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320.02 : 479.96 = 114.61 : x
  2. Step 2: Convert to fraction form
    320.02/479.96 = 114.61/x
  3. Step 3: Cross multiply
    320.02x = 479.96 × 114.61
  4. Step 4: Simplify right side
    320.02x = 55,008.22
  5. Step 5: Solve for x
    x = 55,008.22/320.02
  6. Step 6: Final answer
    x = 171.89

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.