Home / 193.84-290.40-172.24

Finding the Fourth Proportional to 193.84, 290.40 and 172.24

Calculator

Solution

The fourth proportional to 193.84, 290.40 and 172.24 is: 258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.84 : 290.40 = 172.24 : x
  2. Step 2: Convert to fraction form
    193.84/290.40 = 172.24/x
  3. Step 3: Cross multiply
    193.84x = 290.40 × 172.24
  4. Step 4: Simplify right side
    193.84x = 50,018.50
  5. Step 5: Solve for x
    x = 50,018.50/193.84
  6. Step 6: Final answer
    x = 258.04

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.