Home / 1,263.44-1,895.14-338.97

Finding the Fourth Proportional to 1,263.44, 1,895.14 and 338.97

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Solution

The fourth proportional to 1,263.44, 1,895.14 and 338.97 is: 508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.44 : 1,895.14 = 338.97 : x
  2. Step 2: Convert to fraction form
    1,263.44/1,895.14 = 338.97/x
  3. Step 3: Cross multiply
    1,263.44x = 1,895.14 × 338.97
  4. Step 4: Simplify right side
    1,263.44x = 642,395.61
  5. Step 5: Solve for x
    x = 642,395.61/1,263.44
  6. Step 6: Final answer
    x = 508.45

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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.