Home / 549.76-758.62-328.68

Finding the Fourth Proportional to 549.76, 758.62 and 328.68

Calculator

Solution

The fourth proportional to 549.76, 758.62 and 328.68 is: 453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.76 : 758.62 = 328.68 : x
  2. Step 2: Convert to fraction form
    549.76/758.62 = 328.68/x
  3. Step 3: Cross multiply
    549.76x = 758.62 × 328.68
  4. Step 4: Simplify right side
    549.76x = 249,343.92
  5. Step 5: Solve for x
    x = 249,343.92/549.76
  6. Step 6: Final answer
    x = 453.55

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.