Home / 155.44-233.02-74.35

Finding the Fourth Proportional to 155.44, 233.02 and 74.35

Calculator

Solution

The fourth proportional to 155.44, 233.02 and 74.35 is: 111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.44 : 233.02 = 74.35 : x
  2. Step 2: Convert to fraction form
    155.44/233.02 = 74.35/x
  3. Step 3: Cross multiply
    155.44x = 233.02 × 74.35
  4. Step 4: Simplify right side
    155.44x = 17,325.04
  5. Step 5: Solve for x
    x = 17,325.04/155.44
  6. Step 6: Final answer
    x = 111.46

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.