Home / 248.24-342.56-137.71

Finding the Fourth Proportional to 248.24, 342.56 and 137.71

Calculator

Solution

The fourth proportional to 248.24, 342.56 and 137.71 is: 190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.24 : 342.56 = 137.71 : x
  2. Step 2: Convert to fraction form
    248.24/342.56 = 137.71/x
  3. Step 3: Cross multiply
    248.24x = 342.56 × 137.71
  4. Step 4: Simplify right side
    248.24x = 47,172.39
  5. Step 5: Solve for x
    x = 47,172.39/248.24
  6. Step 6: Final answer
    x = 190.03

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.