Home / 60.66-90.36-57.24

Finding the Fourth Proportional to 60.66, 90.36 and 57.24

Calculator

Solution

The fourth proportional to 60.66, 90.36 and 57.24 is: 85.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.66 : 90.36 = 57.24 : x
  2. Step 2: Convert to fraction form
    60.66/90.36 = 57.24/x
  3. Step 3: Cross multiply
    60.66x = 90.36 × 57.24
  4. Step 4: Simplify right side
    60.66x = 5,172.21
  5. Step 5: Solve for x
    x = 5,172.21/60.66
  6. Step 6: Final answer
    x = 85.27

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.