Home / 341-438.50

Finding the Third Proportional to 341 and 438.50

Calculator

Solution

The third proportional to 341 and 438.50 is: 563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    341 : 438.50 = 438.50 : x
  2. Step 2: Convert to fraction form
    341/438.50 = 438.50/x
  3. Step 3: Cross multiply
    341x = 438.50 × 438.50
  4. Step 4: Simplify right side
    341x = 192,282.25
  5. Step 5: Solve for x
    x = 192,282.25/341
  6. Step 6: Final answer
    x = 563.88

Related Problems

Find third proportional to 170.50 and 219.25
Half scale
Find third proportional to 682 and 877
Double scale
Find third proportional to 343 and 441
Similar ratio
Find third proportional to 511.50 and 657.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.