Home / 205.29-307.89-61.04

Finding the Fourth Proportional to 205.29, 307.89 and 61.04

Calculator

Solution

The fourth proportional to 205.29, 307.89 and 61.04 is: 91.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.29 : 307.89 = 61.04 : x
  2. Step 2: Convert to fraction form
    205.29/307.89 = 61.04/x
  3. Step 3: Cross multiply
    205.29x = 307.89 × 61.04
  4. Step 4: Simplify right side
    205.29x = 18,792.07
  5. Step 5: Solve for x
    x = 18,792.07/205.29
  6. Step 6: Final answer
    x = 91.54

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.