Home / 317.22-437.76-186.24

Finding the Fourth Proportional to 317.22, 437.76 and 186.24

Calculator

Solution

The fourth proportional to 317.22, 437.76 and 186.24 is: 257.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.22 : 437.76 = 186.24 : x
  2. Step 2: Convert to fraction form
    317.22/437.76 = 186.24/x
  3. Step 3: Cross multiply
    317.22x = 437.76 × 186.24
  4. Step 4: Simplify right side
    317.22x = 81,528.42
  5. Step 5: Solve for x
    x = 81,528.42/317.22
  6. Step 6: Final answer
    x = 257.01

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.