Home / 277-415.50-106

Finding the Fourth Proportional to 277, 415.50 and 106

Calculator

Solution

The fourth proportional to 277, 415.50 and 106 is: 159

Step by Step Solution

  1. Step 1: Write the proportion equation
    277 : 415.50 = 106 : x
  2. Step 2: Convert to fraction form
    277/415.50 = 106/x
  3. Step 3: Cross multiply
    277x = 415.50 × 106
  4. Step 4: Simplify right side
    277x = 44,043
  5. Step 5: Solve for x
    x = 44,043/277
  6. Step 6: Final answer
    x = 159

Related Problems

Find fourth proportional to 138.50, 207.75 and 53
Half scale
Find fourth proportional to 554, 831 and 212
Double scale
Find fourth proportional to 278, 417 and 107
Similar ratio
Find fourth proportional to 415.50, 623.25 and 159
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.