Home / 301.29-415.77-170.30

Finding the Fourth Proportional to 301.29, 415.77 and 170.30

Calculator

Solution

The fourth proportional to 301.29, 415.77 and 170.30 is: 235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.29 : 415.77 = 170.30 : x
  2. Step 2: Convert to fraction form
    301.29/415.77 = 170.30/x
  3. Step 3: Cross multiply
    301.29x = 415.77 × 170.30
  4. Step 4: Simplify right side
    301.29x = 70,804.47
  5. Step 5: Solve for x
    x = 70,804.47/301.29
  6. Step 6: Final answer
    x = 235.01

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.