Home / 530.81-796-206

Finding the Fourth Proportional to 530.81, 796 and 206

Calculator

Solution

The fourth proportional to 530.81, 796 and 206 is: 308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.81 : 796 = 206 : x
  2. Step 2: Convert to fraction form
    530.81/796 = 206/x
  3. Step 3: Cross multiply
    530.81x = 796 × 206
  4. Step 4: Simplify right side
    530.81x = 163,976
  5. Step 5: Solve for x
    x = 163,976/530.81
  6. Step 6: Final answer
    x = 308.92

Related Problems

Find fourth proportional to 265.41, 398 and 103
Half scale
Find fourth proportional to 1,061.62, 1,592 and 412
Double scale
Find fourth proportional to 531.81, 797.50 and 207
Similar ratio
Find fourth proportional to 796.22, 1,194 and 309
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.