Home / 450.36-678.60-370.98

Finding the Fourth Proportional to 450.36, 678.60 and 370.98

Calculator

Solution

The fourth proportional to 450.36, 678.60 and 370.98 is: 558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.36 : 678.60 = 370.98 : x
  2. Step 2: Convert to fraction form
    450.36/678.60 = 370.98/x
  3. Step 3: Cross multiply
    450.36x = 678.60 × 370.98
  4. Step 4: Simplify right side
    450.36x = 251,747.03
  5. Step 5: Solve for x
    x = 251,747.03/450.36
  6. Step 6: Final answer
    x = 558.99

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.