Home / 1,022-1,533-252.52

Finding the Fourth Proportional to 1,022, 1,533 and 252.52

Calculator

Solution

The fourth proportional to 1,022, 1,533 and 252.52 is: 378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022 : 1,533 = 252.52 : x
  2. Step 2: Convert to fraction form
    1,022/1,533 = 252.52/x
  3. Step 3: Cross multiply
    1,022x = 1,533 × 252.52
  4. Step 4: Simplify right side
    1,022x = 387,113.16
  5. Step 5: Solve for x
    x = 387,113.16/1,022
  6. Step 6: Final answer
    x = 378.78

Related Problems

Find fourth proportional to 511, 766.50 and 126.26
Half scale
Find fourth proportional to 2,044, 3,066 and 505.04
Double scale
Find fourth proportional to 1,023, 1,534.50 and 253.52
Similar ratio
Find fourth proportional to 1,533, 2,299.50 and 378.78
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.