Home / 894-1,341-316.88

Finding the Fourth Proportional to 894, 1,341 and 316.88

Calculator

Solution

The fourth proportional to 894, 1,341 and 316.88 is: 475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    894 : 1,341 = 316.88 : x
  2. Step 2: Convert to fraction form
    894/1,341 = 316.88/x
  3. Step 3: Cross multiply
    894x = 1,341 × 316.88
  4. Step 4: Simplify right side
    894x = 424,936.08
  5. Step 5: Solve for x
    x = 424,936.08/894
  6. Step 6: Final answer
    x = 475.32

Related Problems

Find fourth proportional to 447, 670.50 and 158.44
Half scale
Find fourth proportional to 1,788, 2,682 and 633.76
Double scale
Find fourth proportional to 895, 1,342.50 and 317.88
Similar ratio
Find fourth proportional to 1,341, 2,011.50 and 475.32
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.