Home / 574.21-792.41-312.22

Finding the Fourth Proportional to 574.21, 792.41 and 312.22

Calculator

Solution

The fourth proportional to 574.21, 792.41 and 312.22 is: 430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.21 : 792.41 = 312.22 : x
  2. Step 2: Convert to fraction form
    574.21/792.41 = 312.22/x
  3. Step 3: Cross multiply
    574.21x = 792.41 × 312.22
  4. Step 4: Simplify right side
    574.21x = 247,409.51
  5. Step 5: Solve for x
    x = 247,409.51/574.21
  6. Step 6: Final answer
    x = 430.87

Related Problems

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.