Home / 359.99-500.05-354.41

Finding the Fourth Proportional to 359.99, 500.05 and 354.41

Calculator

Solution

The fourth proportional to 359.99, 500.05 and 354.41 is: 492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.99 : 500.05 = 354.41 : x
  2. Step 2: Convert to fraction form
    359.99/500.05 = 354.41/x
  3. Step 3: Cross multiply
    359.99x = 500.05 × 354.41
  4. Step 4: Simplify right side
    359.99x = 177,220.22
  5. Step 5: Solve for x
    x = 177,220.22/359.99
  6. Step 6: Final answer
    x = 492.29

Related Problems

Find fourth proportional to 180.00, 250.03 and 177.20
Half scale
Find fourth proportional to 719.98, 1,000.10 and 708.81
Double scale
Find fourth proportional to 360.99, 501.44 and 355.41
Similar ratio
Find fourth proportional to 539.99, 750.08 and 531.61
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.