Home / 214-321-62

Finding the Fourth Proportional to 214, 321 and 62

Calculator

Solution

The fourth proportional to 214, 321 and 62 is: 93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214 : 321 = 62 : x
  2. Step 2: Convert to fraction form
    214/321 = 62/x
  3. Step 3: Cross multiply
    214x = 321 × 62
  4. Step 4: Simplify right side
    214x = 19,902
  5. Step 5: Solve for x
    x = 19,902/214
  6. Step 6: Final answer
    x = 93

Related Problems

Find fourth proportional to 107, 160.50 and 31
Half scale
Find fourth proportional to 428, 642 and 124
Double scale
Find fourth proportional to 215, 322.50 and 63
Similar ratio
Find fourth proportional to 321, 481.50 and 93
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.