Home / 271.79-375.05-153.77

Finding the Fourth Proportional to 271.79, 375.05 and 153.77

Calculator

Solution

The fourth proportional to 271.79, 375.05 and 153.77 is: 212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.79 : 375.05 = 153.77 : x
  2. Step 2: Convert to fraction form
    271.79/375.05 = 153.77/x
  3. Step 3: Cross multiply
    271.79x = 375.05 × 153.77
  4. Step 4: Simplify right side
    271.79x = 57,670.67
  5. Step 5: Solve for x
    x = 57,670.67/271.79
  6. Step 6: Final answer
    x = 212.19

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.