Home / 345.25-476.45-190.01

Finding the Fourth Proportional to 345.25, 476.45 and 190.01

Calculator

Solution

The fourth proportional to 345.25, 476.45 and 190.01 is: 262.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.25 : 476.45 = 190.01 : x
  2. Step 2: Convert to fraction form
    345.25/476.45 = 190.01/x
  3. Step 3: Cross multiply
    345.25x = 476.45 × 190.01
  4. Step 4: Simplify right side
    345.25x = 90,530.26
  5. Step 5: Solve for x
    x = 90,530.26/345.25
  6. Step 6: Final answer
    x = 262.22

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.