Home / 383.14-574.30-291.61

Finding the Fourth Proportional to 383.14, 574.30 and 291.61

Calculator

Solution

The fourth proportional to 383.14, 574.30 and 291.61 is: 437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.14 : 574.30 = 291.61 : x
  2. Step 2: Convert to fraction form
    383.14/574.30 = 291.61/x
  3. Step 3: Cross multiply
    383.14x = 574.30 × 291.61
  4. Step 4: Simplify right side
    383.14x = 167,471.62
  5. Step 5: Solve for x
    x = 167,471.62/383.14
  6. Step 6: Final answer
    x = 437.10

Related Problems

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.