Home / 1,178.24-1,767.62-356.44

Finding the Fourth Proportional to 1,178.24, 1,767.62 and 356.44

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Solution

The fourth proportional to 1,178.24, 1,767.62 and 356.44 is: 534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178.24 : 1,767.62 = 356.44 : x
  2. Step 2: Convert to fraction form
    1,178.24/1,767.62 = 356.44/x
  3. Step 3: Cross multiply
    1,178.24x = 1,767.62 × 356.44
  4. Step 4: Simplify right side
    1,178.24x = 630,050.47
  5. Step 5: Solve for x
    x = 630,050.47/1,178.24
  6. Step 6: Final answer
    x = 534.74

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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.