Home / 388-582-114.08

Finding the Fourth Proportional to 388, 582 and 114.08

Calculator

Solution

The fourth proportional to 388, 582 and 114.08 is: 171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    388 : 582 = 114.08 : x
  2. Step 2: Convert to fraction form
    388/582 = 114.08/x
  3. Step 3: Cross multiply
    388x = 582 × 114.08
  4. Step 4: Simplify right side
    388x = 66,394.56
  5. Step 5: Solve for x
    x = 66,394.56/388
  6. Step 6: Final answer
    x = 171.12

Related Problems

Find fourth proportional to 194, 291 and 57.04
Half scale
Find fourth proportional to 776, 1,164 and 228.16
Double scale
Find fourth proportional to 389, 583.50 and 115.08
Similar ratio
Find fourth proportional to 582, 873 and 171.12
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.