Home / 384.24-530.26-218.44

Finding the Fourth Proportional to 384.24, 530.26 and 218.44

Calculator

Solution

The fourth proportional to 384.24, 530.26 and 218.44 is: 301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.24 : 530.26 = 218.44 : x
  2. Step 2: Convert to fraction form
    384.24/530.26 = 218.44/x
  3. Step 3: Cross multiply
    384.24x = 530.26 × 218.44
  4. Step 4: Simplify right side
    384.24x = 115,829.99
  5. Step 5: Solve for x
    x = 115,829.99/384.24
  6. Step 6: Final answer
    x = 301.45

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.