Home / 0.94-1.29-0.55

Finding the Fourth Proportional to 0.94, 1.29 and 0.55

Calculator

Solution

The fourth proportional to 0.94, 1.29 and 0.55 is: 0.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.94 : 1.29 = 0.55 : x
  2. Step 2: Convert to fraction form
    0.94/1.29 = 0.55/x
  3. Step 3: Cross multiply
    0.94x = 1.29 × 0.55
  4. Step 4: Simplify right side
    0.94x = 0.71
  5. Step 5: Solve for x
    x = 0.71/0.94
  6. Step 6: Final answer
    x = 0.76

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.