Home / 1,015.24-1,522.26-356.80

Finding the Fourth Proportional to 1,015.24, 1,522.26 and 356.80

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Solution

The fourth proportional to 1,015.24, 1,522.26 and 356.80 is: 534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.24 : 1,522.26 = 356.80 : x
  2. Step 2: Convert to fraction form
    1,015.24/1,522.26 = 356.80/x
  3. Step 3: Cross multiply
    1,015.24x = 1,522.26 × 356.80
  4. Step 4: Simplify right side
    1,015.24x = 543,142.37
  5. Step 5: Solve for x
    x = 543,142.37/1,015.24
  6. Step 6: Final answer
    x = 534.99

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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.