Home / 448.58-619.05-252.11

Finding the Fourth Proportional to 448.58, 619.05 and 252.11

Calculator

Solution

The fourth proportional to 448.58, 619.05 and 252.11 is: 347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.58 : 619.05 = 252.11 : x
  2. Step 2: Convert to fraction form
    448.58/619.05 = 252.11/x
  3. Step 3: Cross multiply
    448.58x = 619.05 × 252.11
  4. Step 4: Simplify right side
    448.58x = 156,065.60
  5. Step 5: Solve for x
    x = 156,065.60/448.58
  6. Step 6: Final answer
    x = 347.91

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.