Home / 339-505.88-302.55

Finding the Fourth Proportional to 339, 505.88 and 302.55

Calculator

Solution

The fourth proportional to 339, 505.88 and 302.55 is: 451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    339 : 505.88 = 302.55 : x
  2. Step 2: Convert to fraction form
    339/505.88 = 302.55/x
  3. Step 3: Cross multiply
    339x = 505.88 × 302.55
  4. Step 4: Simplify right side
    339x = 153,052.48
  5. Step 5: Solve for x
    x = 153,052.48/339
  6. Step 6: Final answer
    x = 451.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.