Home / 329-493.68-158

Finding the Fourth Proportional to 329, 493.68 and 158

Calculator

Solution

The fourth proportional to 329, 493.68 and 158 is: 237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    329 : 493.68 = 158 : x
  2. Step 2: Convert to fraction form
    329/493.68 = 158/x
  3. Step 3: Cross multiply
    329x = 493.68 × 158
  4. Step 4: Simplify right side
    329x = 78,001.44
  5. Step 5: Solve for x
    x = 78,001.44/329
  6. Step 6: Final answer
    x = 237.09

Related Problems

Find fourth proportional to 164.50, 246.84 and 79
Half scale
Find fourth proportional to 658, 987.36 and 316
Double scale
Find fourth proportional to 330, 495.18 and 159
Similar ratio
Find fourth proportional to 493.50, 740.52 and 237
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.