Home / 883-1,324.50-370

Finding the Fourth Proportional to 883, 1,324.50 and 370

Calculator

Solution

The fourth proportional to 883, 1,324.50 and 370 is: 555

Step by Step Solution

  1. Step 1: Write the proportion equation
    883 : 1,324.50 = 370 : x
  2. Step 2: Convert to fraction form
    883/1,324.50 = 370/x
  3. Step 3: Cross multiply
    883x = 1,324.50 × 370
  4. Step 4: Simplify right side
    883x = 490,065
  5. Step 5: Solve for x
    x = 490,065/883
  6. Step 6: Final answer
    x = 555

Related Problems

Find fourth proportional to 441.50, 662.25 and 185
Half scale
Find fourth proportional to 1,766, 2,649 and 740
Double scale
Find fourth proportional to 884, 1,326 and 371
Similar ratio
Find fourth proportional to 1,324.50, 1,986.75 and 555
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.