Home / 537-805.50-172.10

Finding the Fourth Proportional to 537, 805.50 and 172.10

Calculator

Solution

The fourth proportional to 537, 805.50 and 172.10 is: 258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    537 : 805.50 = 172.10 : x
  2. Step 2: Convert to fraction form
    537/805.50 = 172.10/x
  3. Step 3: Cross multiply
    537x = 805.50 × 172.10
  4. Step 4: Simplify right side
    537x = 138,626.55
  5. Step 5: Solve for x
    x = 138,626.55/537
  6. Step 6: Final answer
    x = 258.15

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.