Home / 399.98-599.34-303.50

Finding the Fourth Proportional to 399.98, 599.34 and 303.50

Calculator

Solution

The fourth proportional to 399.98, 599.34 and 303.50 is: 454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    399.98 : 599.34 = 303.50 : x
  2. Step 2: Convert to fraction form
    399.98/599.34 = 303.50/x
  3. Step 3: Cross multiply
    399.98x = 599.34 × 303.50
  4. Step 4: Simplify right side
    399.98x = 181,899.69
  5. Step 5: Solve for x
    x = 181,899.69/399.98
  6. Step 6: Final answer
    x = 454.77

Related Problems

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.