Home / 225-310.54-133

Finding the Fourth Proportional to 225, 310.54 and 133

Calculator

Solution

The fourth proportional to 225, 310.54 and 133 is: 183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225 : 310.54 = 133 : x
  2. Step 2: Convert to fraction form
    225/310.54 = 133/x
  3. Step 3: Cross multiply
    225x = 310.54 × 133
  4. Step 4: Simplify right side
    225x = 41,301.82
  5. Step 5: Solve for x
    x = 41,301.82/225
  6. Step 6: Final answer
    x = 183.56

Related Problems

Find fourth proportional to 112.50, 155.27 and 66.50
Half scale
Find fourth proportional to 450, 621.08 and 266
Double scale
Find fourth proportional to 226, 311.92 and 134
Similar ratio
Find fourth proportional to 337.50, 465.81 and 199.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.