Home / 646.52-969.88-300.20

Finding the Fourth Proportional to 646.52, 969.88 and 300.20

Calculator

Solution

The fourth proportional to 646.52, 969.88 and 300.20 is: 450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    646.52 : 969.88 = 300.20 : x
  2. Step 2: Convert to fraction form
    646.52/969.88 = 300.20/x
  3. Step 3: Cross multiply
    646.52x = 969.88 × 300.20
  4. Step 4: Simplify right side
    646.52x = 291,157.98
  5. Step 5: Solve for x
    x = 291,157.98/646.52
  6. Step 6: Final answer
    x = 450.35

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.