Home / 257.58-355.33-174.71

Finding the Fourth Proportional to 257.58, 355.33 and 174.71

Calculator

Solution

The fourth proportional to 257.58, 355.33 and 174.71 is: 241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257.58 : 355.33 = 174.71 : x
  2. Step 2: Convert to fraction form
    257.58/355.33 = 174.71/x
  3. Step 3: Cross multiply
    257.58x = 355.33 × 174.71
  4. Step 4: Simplify right side
    257.58x = 62,080.16
  5. Step 5: Solve for x
    x = 62,080.16/257.58
  6. Step 6: Final answer
    x = 241.01

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.