Home / 315-434.76-204.60

Finding the Fourth Proportional to 315, 434.76 and 204.60

Calculator

Solution

The fourth proportional to 315, 434.76 and 204.60 is: 282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    315 : 434.76 = 204.60 : x
  2. Step 2: Convert to fraction form
    315/434.76 = 204.60/x
  3. Step 3: Cross multiply
    315x = 434.76 × 204.60
  4. Step 4: Simplify right side
    315x = 88,951.90
  5. Step 5: Solve for x
    x = 88,951.90/315
  6. Step 6: Final answer
    x = 282.39

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.