Home / 802.25-1,203.63-254.45

Finding the Fourth Proportional to 802.25, 1,203.63 and 254.45

Calculator

Solution

The fourth proportional to 802.25, 1,203.63 and 254.45 is: 381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.25 : 1,203.63 = 254.45 : x
  2. Step 2: Convert to fraction form
    802.25/1,203.63 = 254.45/x
  3. Step 3: Cross multiply
    802.25x = 1,203.63 × 254.45
  4. Step 4: Simplify right side
    802.25x = 306,266.66
  5. Step 5: Solve for x
    x = 306,266.66/802.25
  6. Step 6: Final answer
    x = 381.76

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.