Home / 1,178.14-1,767.50-356.37

Finding the Fourth Proportional to 1,178.14, 1,767.50 and 356.37

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Solution

The fourth proportional to 1,178.14, 1,767.50 and 356.37 is: 534.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178.14 : 1,767.50 = 356.37 : x
  2. Step 2: Convert to fraction form
    1,178.14/1,767.50 = 356.37/x
  3. Step 3: Cross multiply
    1,178.14x = 1,767.50 × 356.37
  4. Step 4: Simplify right side
    1,178.14x = 629,873.36
  5. Step 5: Solve for x
    x = 629,873.36/1,178.14
  6. Step 6: Final answer
    x = 534.63

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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.