Home / 370-554.96-318.98

Finding the Fourth Proportional to 370, 554.96 and 318.98

Calculator

Solution

The fourth proportional to 370, 554.96 and 318.98 is: 478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370 : 554.96 = 318.98 : x
  2. Step 2: Convert to fraction form
    370/554.96 = 318.98/x
  3. Step 3: Cross multiply
    370x = 554.96 × 318.98
  4. Step 4: Simplify right side
    370x = 177,021.14
  5. Step 5: Solve for x
    x = 177,021.14/370
  6. Step 6: Final answer
    x = 478.44

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.