Home / 571-788-338.12

Finding the Fourth Proportional to 571, 788 and 338.12

Calculator

Solution

The fourth proportional to 571, 788 and 338.12 is: 466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    571 : 788 = 338.12 : x
  2. Step 2: Convert to fraction form
    571/788 = 338.12/x
  3. Step 3: Cross multiply
    571x = 788 × 338.12
  4. Step 4: Simplify right side
    571x = 266,438.56
  5. Step 5: Solve for x
    x = 266,438.56/571
  6. Step 6: Final answer
    x = 466.62

Related Problems

Find fourth proportional to 285.50, 394 and 169.06
Half scale
Find fourth proportional to 1,142, 1,576 and 676.24
Double scale
Find fourth proportional to 572, 789.38 and 339.12
Similar ratio
Find fourth proportional to 856.50, 1,182 and 507.18
1.5x scale

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.