Home / 656.55-906.05-361.81

Finding the Fourth Proportional to 656.55, 906.05 and 361.81

Calculator

Solution

The fourth proportional to 656.55, 906.05 and 361.81 is: 499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.55 : 906.05 = 361.81 : x
  2. Step 2: Convert to fraction form
    656.55/906.05 = 361.81/x
  3. Step 3: Cross multiply
    656.55x = 906.05 × 361.81
  4. Step 4: Simplify right side
    656.55x = 327,816.14
  5. Step 5: Solve for x
    x = 327,816.14/656.55
  6. Step 6: Final answer
    x = 499.30

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.