Home / 153.95-212.03-133.22

Finding the Fourth Proportional to 153.95, 212.03 and 133.22

Calculator

Solution

The fourth proportional to 153.95, 212.03 and 133.22 is: 183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.95 : 212.03 = 133.22 : x
  2. Step 2: Convert to fraction form
    153.95/212.03 = 133.22/x
  3. Step 3: Cross multiply
    153.95x = 212.03 × 133.22
  4. Step 4: Simplify right side
    153.95x = 28,247.50
  5. Step 5: Solve for x
    x = 28,247.50/153.95
  6. Step 6: Final answer
    x = 183.49

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.