Home / 475.10-711.66-397.84

Finding the Fourth Proportional to 475.10, 711.66 and 397.84

Calculator

Solution

The fourth proportional to 475.10, 711.66 and 397.84 is: 595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.10 : 711.66 = 397.84 : x
  2. Step 2: Convert to fraction form
    475.10/711.66 = 397.84/x
  3. Step 3: Cross multiply
    475.10x = 711.66 × 397.84
  4. Step 4: Simplify right side
    475.10x = 283,126.81
  5. Step 5: Solve for x
    x = 283,126.81/475.10
  6. Step 6: Final answer
    x = 595.93

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.