Home / 646.74-969.84-235.89

Finding the Fourth Proportional to 646.74, 969.84 and 235.89

Calculator

Solution

The fourth proportional to 646.74, 969.84 and 235.89 is: 353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    646.74 : 969.84 = 235.89 : x
  2. Step 2: Convert to fraction form
    646.74/969.84 = 235.89/x
  3. Step 3: Cross multiply
    646.74x = 969.84 × 235.89
  4. Step 4: Simplify right side
    646.74x = 228,775.56
  5. Step 5: Solve for x
    x = 228,775.56/646.74
  6. Step 6: Final answer
    x = 353.74

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.