Home / 384.90-577.07-222.49

Finding the Fourth Proportional to 384.90, 577.07 and 222.49

Calculator

Solution

The fourth proportional to 384.90, 577.07 and 222.49 is: 333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.90 : 577.07 = 222.49 : x
  2. Step 2: Convert to fraction form
    384.90/577.07 = 222.49/x
  3. Step 3: Cross multiply
    384.90x = 577.07 × 222.49
  4. Step 4: Simplify right side
    384.90x = 128,392.30
  5. Step 5: Solve for x
    x = 128,392.30/384.90
  6. Step 6: Final answer
    x = 333.57

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.