Home / 485.56-732.31-476.92

Finding the Fourth Proportional to 485.56, 732.31 and 476.92

Calculator

Solution

The fourth proportional to 485.56, 732.31 and 476.92 is: 719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    485.56 : 732.31 = 476.92 : x
  2. Step 2: Convert to fraction form
    485.56/732.31 = 476.92/x
  3. Step 3: Cross multiply
    485.56x = 732.31 × 476.92
  4. Step 4: Simplify right side
    485.56x = 349,253.29
  5. Step 5: Solve for x
    x = 349,253.29/485.56
  6. Step 6: Final answer
    x = 719.28

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.