Home / 438.14-604.83-272.45

Finding the Fourth Proportional to 438.14, 604.83 and 272.45

Calculator

Solution

The fourth proportional to 438.14, 604.83 and 272.45 is: 376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438.14 : 604.83 = 272.45 : x
  2. Step 2: Convert to fraction form
    438.14/604.83 = 272.45/x
  3. Step 3: Cross multiply
    438.14x = 604.83 × 272.45
  4. Step 4: Simplify right side
    438.14x = 164,782.91
  5. Step 5: Solve for x
    x = 164,782.91/438.14
  6. Step 6: Final answer
    x = 376.10

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.