Home / 483.30-666.90-385.56

Finding the Fourth Proportional to 483.30, 666.90 and 385.56

Calculator

Solution

The fourth proportional to 483.30, 666.90 and 385.56 is: 532.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.30 : 666.90 = 385.56 : x
  2. Step 2: Convert to fraction form
    483.30/666.90 = 385.56/x
  3. Step 3: Cross multiply
    483.30x = 666.90 × 385.56
  4. Step 4: Simplify right side
    483.30x = 257,129.96
  5. Step 5: Solve for x
    x = 257,129.96/483.30
  6. Step 6: Final answer
    x = 532.03

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.