Home / 423.18-583.66-275.86

Finding the Fourth Proportional to 423.18, 583.66 and 275.86

Calculator

Solution

The fourth proportional to 423.18, 583.66 and 275.86 is: 380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.18 : 583.66 = 275.86 : x
  2. Step 2: Convert to fraction form
    423.18/583.66 = 275.86/x
  3. Step 3: Cross multiply
    423.18x = 583.66 × 275.86
  4. Step 4: Simplify right side
    423.18x = 161,008.45
  5. Step 5: Solve for x
    x = 161,008.45/423.18
  6. Step 6: Final answer
    x = 380.47

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.