Home / 346-519-326.76

Finding the Fourth Proportional to 346, 519 and 326.76

Calculator

Solution

The fourth proportional to 346, 519 and 326.76 is: 490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346 : 519 = 326.76 : x
  2. Step 2: Convert to fraction form
    346/519 = 326.76/x
  3. Step 3: Cross multiply
    346x = 519 × 326.76
  4. Step 4: Simplify right side
    346x = 169,588.44
  5. Step 5: Solve for x
    x = 169,588.44/346
  6. Step 6: Final answer
    x = 490.14

Related Problems

Find fourth proportional to 173, 259.50 and 163.38
Half scale
Find fourth proportional to 692, 1,038 and 653.52
Double scale
Find fourth proportional to 347, 520.50 and 327.76
Similar ratio
Find fourth proportional to 519, 778.50 and 490.14
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.