Home / 818-1,227-362

Finding the Fourth Proportional to 818, 1,227 and 362

Calculator

Solution

The fourth proportional to 818, 1,227 and 362 is: 543

Step by Step Solution

  1. Step 1: Write the proportion equation
    818 : 1,227 = 362 : x
  2. Step 2: Convert to fraction form
    818/1,227 = 362/x
  3. Step 3: Cross multiply
    818x = 1,227 × 362
  4. Step 4: Simplify right side
    818x = 444,174
  5. Step 5: Solve for x
    x = 444,174/818
  6. Step 6: Final answer
    x = 543

Related Problems

Find fourth proportional to 409, 613.50 and 181
Half scale
Find fourth proportional to 1,636, 2,454 and 724
Double scale
Find fourth proportional to 819, 1,228.50 and 363
Similar ratio
Find fourth proportional to 1,227, 1,840.50 and 543
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.