Home / 522.90-784.15-157.56

Finding the Fourth Proportional to 522.90, 784.15 and 157.56

Calculator

Solution

The fourth proportional to 522.90, 784.15 and 157.56 is: 236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.90 : 784.15 = 157.56 : x
  2. Step 2: Convert to fraction form
    522.90/784.15 = 157.56/x
  3. Step 3: Cross multiply
    522.90x = 784.15 × 157.56
  4. Step 4: Simplify right side
    522.90x = 123,550.28
  5. Step 5: Solve for x
    x = 123,550.28/522.90
  6. Step 6: Final answer
    x = 236.28

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.