Home / 353.47-488.01-222.67

Finding the Fourth Proportional to 353.47, 488.01 and 222.67

Calculator

Solution

The fourth proportional to 353.47, 488.01 and 222.67 is: 307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.47 : 488.01 = 222.67 : x
  2. Step 2: Convert to fraction form
    353.47/488.01 = 222.67/x
  3. Step 3: Cross multiply
    353.47x = 488.01 × 222.67
  4. Step 4: Simplify right side
    353.47x = 108,665.19
  5. Step 5: Solve for x
    x = 108,665.19/353.47
  6. Step 6: Final answer
    x = 307.42

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.