Home / 508.34-701.46-287.31

Finding the Fourth Proportional to 508.34, 701.46 and 287.31

Calculator

Solution

The fourth proportional to 508.34, 701.46 and 287.31 is: 396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.34 : 701.46 = 287.31 : x
  2. Step 2: Convert to fraction form
    508.34/701.46 = 287.31/x
  3. Step 3: Cross multiply
    508.34x = 701.46 × 287.31
  4. Step 4: Simplify right side
    508.34x = 201,536.47
  5. Step 5: Solve for x
    x = 201,536.47/508.34
  6. Step 6: Final answer
    x = 396.46

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.