Home / 1,223.99-1,835.98-358.30

Finding the Fourth Proportional to 1,223.99, 1,835.98 and 358.30

Calculator

Solution

The fourth proportional to 1,223.99, 1,835.98 and 358.30 is: 537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.99 : 1,835.98 = 358.30 : x
  2. Step 2: Convert to fraction form
    1,223.99/1,835.98 = 358.30/x
  3. Step 3: Cross multiply
    1,223.99x = 1,835.98 × 358.30
  4. Step 4: Simplify right side
    1,223.99x = 657,826.15
  5. Step 5: Solve for x
    x = 657,826.15/1,223.99
  6. Step 6: Final answer
    x = 537.45

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.