Home / 199.30-275.05-150.10

Finding the Fourth Proportional to 199.30, 275.05 and 150.10

Calculator

Solution

The fourth proportional to 199.30, 275.05 and 150.10 is: 207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.30 : 275.05 = 150.10 : x
  2. Step 2: Convert to fraction form
    199.30/275.05 = 150.10/x
  3. Step 3: Cross multiply
    199.30x = 275.05 × 150.10
  4. Step 4: Simplify right side
    199.30x = 41,285.01
  5. Step 5: Solve for x
    x = 41,285.01/199.30
  6. Step 6: Final answer
    x = 207.15

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.