Home / 543-814.62-201

Finding the Fourth Proportional to 543, 814.62 and 201

Calculator

Solution

The fourth proportional to 543, 814.62 and 201 is: 301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    543 : 814.62 = 201 : x
  2. Step 2: Convert to fraction form
    543/814.62 = 201/x
  3. Step 3: Cross multiply
    543x = 814.62 × 201
  4. Step 4: Simplify right side
    543x = 163,738.62
  5. Step 5: Solve for x
    x = 163,738.62/543
  6. Step 6: Final answer
    x = 301.54

Related Problems

Find fourth proportional to 271.50, 407.31 and 100.50
Half scale
Find fourth proportional to 1,086, 1,629.24 and 402
Double scale
Find fourth proportional to 544, 816.12 and 202
Similar ratio
Find fourth proportional to 814.50, 1,221.93 and 301.50
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.