Home / 436.44-653.86-253.51

Finding the Fourth Proportional to 436.44, 653.86 and 253.51

Calculator

Solution

The fourth proportional to 436.44, 653.86 and 253.51 is: 379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.44 : 653.86 = 253.51 : x
  2. Step 2: Convert to fraction form
    436.44/653.86 = 253.51/x
  3. Step 3: Cross multiply
    436.44x = 653.86 × 253.51
  4. Step 4: Simplify right side
    436.44x = 165,760.05
  5. Step 5: Solve for x
    x = 165,760.05/436.44
  6. Step 6: Final answer
    x = 379.80

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.