Home / 228.10-342.12-65.77

Finding the Fourth Proportional to 228.10, 342.12 and 65.77

Calculator

Solution

The fourth proportional to 228.10, 342.12 and 65.77 is: 98.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.10 : 342.12 = 65.77 : x
  2. Step 2: Convert to fraction form
    228.10/342.12 = 65.77/x
  3. Step 3: Cross multiply
    228.10x = 342.12 × 65.77
  4. Step 4: Simplify right side
    228.10x = 22,501.23
  5. Step 5: Solve for x
    x = 22,501.23/228.10
  6. Step 6: Final answer
    x = 98.65

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.