Home / 984.16-1,476.40-300

Finding the Fourth Proportional to 984.16, 1,476.40 and 300

Calculator

Solution

The fourth proportional to 984.16, 1,476.40 and 300 is: 450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    984.16 : 1,476.40 = 300 : x
  2. Step 2: Convert to fraction form
    984.16/1,476.40 = 300/x
  3. Step 3: Cross multiply
    984.16x = 1,476.40 × 300
  4. Step 4: Simplify right side
    984.16x = 442,920
  5. Step 5: Solve for x
    x = 442,920/984.16
  6. Step 6: Final answer
    x = 450.05

Related Problems

Find fourth proportional to 492.08, 738.20 and 150
Half scale
Find fourth proportional to 1,968.32, 2,952.80 and 600
Double scale
Find fourth proportional to 985.16, 1,477.90 and 301
Similar ratio
Find fourth proportional to 1,476.24, 2,214.60 and 450
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.