Home / 148-222-51.82

Finding the Fourth Proportional to 148, 222 and 51.82

Calculator

Solution

The fourth proportional to 148, 222 and 51.82 is: 77.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148 : 222 = 51.82 : x
  2. Step 2: Convert to fraction form
    148/222 = 51.82/x
  3. Step 3: Cross multiply
    148x = 222 × 51.82
  4. Step 4: Simplify right side
    148x = 11,502.93
  5. Step 5: Solve for x
    x = 11,502.93/148
  6. Step 6: Final answer
    x = 77.72

Related Problems

Find fourth proportional to 74, 111 and 25.91
Half scale
Find fourth proportional to 296, 444 and 103.63
Double scale
Find fourth proportional to 149, 223.50 and 52.82
Similar ratio
Find fourth proportional to 222, 333 and 77.72
1.5x scale

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.