Home / 619.53-854.87-357.56

Finding the Fourth Proportional to 619.53, 854.87 and 357.56

Calculator

Solution

The fourth proportional to 619.53, 854.87 and 357.56 is: 493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.53 : 854.87 = 357.56 : x
  2. Step 2: Convert to fraction form
    619.53/854.87 = 357.56/x
  3. Step 3: Cross multiply
    619.53x = 854.87 × 357.56
  4. Step 4: Simplify right side
    619.53x = 305,667.32
  5. Step 5: Solve for x
    x = 305,667.32/619.53
  6. Step 6: Final answer
    x = 493.39

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.