Home / 255.00-382.63-194.49

Finding the Fourth Proportional to 255.00, 382.63 and 194.49

Calculator

Solution

The fourth proportional to 255.00, 382.63 and 194.49 is: 291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.00 : 382.63 = 194.49 : x
  2. Step 2: Convert to fraction form
    255.00/382.63 = 194.49/x
  3. Step 3: Cross multiply
    255.00x = 382.63 × 194.49
  4. Step 4: Simplify right side
    255.00x = 74,418.18
  5. Step 5: Solve for x
    x = 74,418.18/255.00
  6. Step 6: Final answer
    x = 291.84

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.