Home / 566.38-849.50-219.69

Finding the Fourth Proportional to 566.38, 849.50 and 219.69

Calculator

Solution

The fourth proportional to 566.38, 849.50 and 219.69 is: 329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.38 : 849.50 = 219.69 : x
  2. Step 2: Convert to fraction form
    566.38/849.50 = 219.69/x
  3. Step 3: Cross multiply
    566.38x = 849.50 × 219.69
  4. Step 4: Simplify right side
    566.38x = 186,624.30
  5. Step 5: Solve for x
    x = 186,624.30/566.38
  6. Step 6: Final answer
    x = 329.50

Related Problems

Find fourth proportional to 283.19, 424.75 and 109.84
Half scale
Find fourth proportional to 1,132.77, 1,699.00 and 439.37
Double scale
Find fourth proportional to 567.38, 851 and 220.69
Similar ratio
Find fourth proportional to 849.58, 1,274.25 and 329.53
1.5x scale

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.