Home / 371-458

Finding the Third Proportional to 371 and 458

Calculator

Solution

The third proportional to 371 and 458 is: 565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371 : 458 = 458 : x
  2. Step 2: Convert to fraction form
    371/458 = 458/x
  3. Step 3: Cross multiply
    371x = 458 × 458
  4. Step 4: Simplify right side
    371x = 209,764
  5. Step 5: Solve for x
    x = 209,764/371
  6. Step 6: Final answer
    x = 565.40

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.