Home / 293.67-438.30-254.93

Finding the Fourth Proportional to 293.67, 438.30 and 254.93

Calculator

Solution

The fourth proportional to 293.67, 438.30 and 254.93 is: 380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.67 : 438.30 = 254.93 : x
  2. Step 2: Convert to fraction form
    293.67/438.30 = 254.93/x
  3. Step 3: Cross multiply
    293.67x = 438.30 × 254.93
  4. Step 4: Simplify right side
    293.67x = 111,733.63
  5. Step 5: Solve for x
    x = 111,733.63/293.67
  6. Step 6: Final answer
    x = 380.47

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.