Home / 156.30-234.45-64.94

Finding the Fourth Proportional to 156.30, 234.45 and 64.94

Calculator

Solution

The fourth proportional to 156.30, 234.45 and 64.94 is: 97.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.30 : 234.45 = 64.94 : x
  2. Step 2: Convert to fraction form
    156.30/234.45 = 64.94/x
  3. Step 3: Cross multiply
    156.30x = 234.45 × 64.94
  4. Step 4: Simplify right side
    156.30x = 15,224.01
  5. Step 5: Solve for x
    x = 15,224.01/156.30
  6. Step 6: Final answer
    x = 97.40

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.