Home / 384-576-247.16

Finding the Fourth Proportional to 384, 576 and 247.16

Calculator

Solution

The fourth proportional to 384, 576 and 247.16 is: 370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    384 : 576 = 247.16 : x
  2. Step 2: Convert to fraction form
    384/576 = 247.16/x
  3. Step 3: Cross multiply
    384x = 576 × 247.16
  4. Step 4: Simplify right side
    384x = 142,361.28
  5. Step 5: Solve for x
    x = 142,361.28/384
  6. Step 6: Final answer
    x = 370.73

Related Problems

Find fourth proportional to 192, 288 and 123.58
Half scale
Find fourth proportional to 768, 1,152 and 494.31
Double scale
Find fourth proportional to 385, 577.50 and 248.16
Similar ratio
Find fourth proportional to 576, 864 and 370.73
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.