Home / 495.50-743.25-153.50

Finding the Fourth Proportional to 495.50, 743.25 and 153.50

Calculator

Solution

The fourth proportional to 495.50, 743.25 and 153.50 is: 230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.50 : 743.25 = 153.50 : x
  2. Step 2: Convert to fraction form
    495.50/743.25 = 153.50/x
  3. Step 3: Cross multiply
    495.50x = 743.25 × 153.50
  4. Step 4: Simplify right side
    495.50x = 114,088.88
  5. Step 5: Solve for x
    x = 114,088.88/495.50
  6. Step 6: Final answer
    x = 230.25

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.