Home / 370.97-512.59-278.02

Finding the Fourth Proportional to 370.97, 512.59 and 278.02

Calculator

Solution

The fourth proportional to 370.97, 512.59 and 278.02 is: 384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.97 : 512.59 = 278.02 : x
  2. Step 2: Convert to fraction form
    370.97/512.59 = 278.02/x
  3. Step 3: Cross multiply
    370.97x = 512.59 × 278.02
  4. Step 4: Simplify right side
    370.97x = 142,510.27
  5. Step 5: Solve for x
    x = 142,510.27/370.97
  6. Step 6: Final answer
    x = 384.16

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.