Home / 0.53-0.73-0.39

Finding the Fourth Proportional to 0.53, 0.73 and 0.39

Calculator

Solution

The fourth proportional to 0.53, 0.73 and 0.39 is: 0.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.53 : 0.73 = 0.39 : x
  2. Step 2: Convert to fraction form
    0.53/0.73 = 0.39/x
  3. Step 3: Cross multiply
    0.53x = 0.73 × 0.39
  4. Step 4: Simplify right side
    0.53x = 0.29
  5. Step 5: Solve for x
    x = 0.29/0.53
  6. Step 6: Final answer
    x = 0.54

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.