Home / 467.90-645.44-271.39

Finding the Fourth Proportional to 467.90, 645.44 and 271.39

Calculator

Solution

The fourth proportional to 467.90, 645.44 and 271.39 is: 374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.90 : 645.44 = 271.39 : x
  2. Step 2: Convert to fraction form
    467.90/645.44 = 271.39/x
  3. Step 3: Cross multiply
    467.90x = 645.44 × 271.39
  4. Step 4: Simplify right side
    467.90x = 175,161.38
  5. Step 5: Solve for x
    x = 175,161.38/467.90
  6. Step 6: Final answer
    x = 374.36

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.