Home / 435.69-653.40-147.06

Finding the Fourth Proportional to 435.69, 653.40 and 147.06

Calculator

Solution

The fourth proportional to 435.69, 653.40 and 147.06 is: 220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.69 : 653.40 = 147.06 : x
  2. Step 2: Convert to fraction form
    435.69/653.40 = 147.06/x
  3. Step 3: Cross multiply
    435.69x = 653.40 × 147.06
  4. Step 4: Simplify right side
    435.69x = 96,091.01
  5. Step 5: Solve for x
    x = 96,091.01/435.69
  6. Step 6: Final answer
    x = 220.55

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.