Home / 448.64-619.08-252.15

Finding the Fourth Proportional to 448.64, 619.08 and 252.15

Calculator

Solution

The fourth proportional to 448.64, 619.08 and 252.15 is: 347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.64 : 619.08 = 252.15 : x
  2. Step 2: Convert to fraction form
    448.64/619.08 = 252.15/x
  3. Step 3: Cross multiply
    448.64x = 619.08 × 252.15
  4. Step 4: Simplify right side
    448.64x = 156,097.75
  5. Step 5: Solve for x
    x = 156,097.75/448.64
  6. Step 6: Final answer
    x = 347.94

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.