Home / 620.96-930-332

Finding the Fourth Proportional to 620.96, 930 and 332

Calculator

Solution

The fourth proportional to 620.96, 930 and 332 is: 497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.96 : 930 = 332 : x
  2. Step 2: Convert to fraction form
    620.96/930 = 332/x
  3. Step 3: Cross multiply
    620.96x = 930 × 332
  4. Step 4: Simplify right side
    620.96x = 308,760
  5. Step 5: Solve for x
    x = 308,760/620.96
  6. Step 6: Final answer
    x = 497.23

Related Problems

Find fourth proportional to 310.48, 465 and 166
Half scale
Find fourth proportional to 1,241.92, 1,860 and 664
Double scale
Find fourth proportional to 621.96, 931.50 and 333
Similar ratio
Find fourth proportional to 931.44, 1,395 and 498
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.