Home / 193.08-289.12-152.40

Finding the Fourth Proportional to 193.08, 289.12 and 152.40

Calculator

Solution

The fourth proportional to 193.08, 289.12 and 152.40 is: 228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.08 : 289.12 = 152.40 : x
  2. Step 2: Convert to fraction form
    193.08/289.12 = 152.40/x
  3. Step 3: Cross multiply
    193.08x = 289.12 × 152.40
  4. Step 4: Simplify right side
    193.08x = 44,061.89
  5. Step 5: Solve for x
    x = 44,061.89/193.08
  6. Step 6: Final answer
    x = 228.21

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.