Home / 201.48-302.10-79.76

Finding the Fourth Proportional to 201.48, 302.10 and 79.76

Calculator

Solution

The fourth proportional to 201.48, 302.10 and 79.76 is: 119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.48 : 302.10 = 79.76 : x
  2. Step 2: Convert to fraction form
    201.48/302.10 = 79.76/x
  3. Step 3: Cross multiply
    201.48x = 302.10 × 79.76
  4. Step 4: Simplify right side
    201.48x = 24,093.99
  5. Step 5: Solve for x
    x = 24,093.99/201.48
  6. Step 6: Final answer
    x = 119.58

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.