Home / 459.92-690-368.24

Finding the Fourth Proportional to 459.92, 690 and 368.24

Calculator

Solution

The fourth proportional to 459.92, 690 and 368.24 is: 552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.92 : 690 = 368.24 : x
  2. Step 2: Convert to fraction form
    459.92/690 = 368.24/x
  3. Step 3: Cross multiply
    459.92x = 690 × 368.24
  4. Step 4: Simplify right side
    459.92x = 254,085.60
  5. Step 5: Solve for x
    x = 254,085.60/459.92
  6. Step 6: Final answer
    x = 552.46

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.