Home / 219-329.04-173.64

Finding the Fourth Proportional to 219, 329.04 and 173.64

Calculator

Solution

The fourth proportional to 219, 329.04 and 173.64 is: 260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219 : 329.04 = 173.64 : x
  2. Step 2: Convert to fraction form
    219/329.04 = 173.64/x
  3. Step 3: Cross multiply
    219x = 329.04 × 173.64
  4. Step 4: Simplify right side
    219x = 57,134.51
  5. Step 5: Solve for x
    x = 57,134.51/219
  6. Step 6: Final answer
    x = 260.89

Related Problems

Find fourth proportional to 109.50, 164.52 and 86.82
Half scale
Find fourth proportional to 438, 658.08 and 347.28
Double scale
Find fourth proportional to 220, 330.54 and 174.64
Similar ratio
Find fourth proportional to 328.50, 493.56 and 260.46
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.