Home / 346-518.72-151

Finding the Fourth Proportional to 346, 518.72 and 151

Calculator

Solution

The fourth proportional to 346, 518.72 and 151 is: 226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346 : 518.72 = 151 : x
  2. Step 2: Convert to fraction form
    346/518.72 = 151/x
  3. Step 3: Cross multiply
    346x = 518.72 × 151
  4. Step 4: Simplify right side
    346x = 78,326.72
  5. Step 5: Solve for x
    x = 78,326.72/346
  6. Step 6: Final answer
    x = 226.38

Related Problems

Find fourth proportional to 173, 259.36 and 75.50
Half scale
Find fourth proportional to 692, 1,037.44 and 302
Double scale
Find fourth proportional to 347, 520.22 and 152
Similar ratio
Find fourth proportional to 519, 778.08 and 226.50
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.