Home / 1,148.93-1,723.41-327.21

Finding the Fourth Proportional to 1,148.93, 1,723.41 and 327.21

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Solution

The fourth proportional to 1,148.93, 1,723.41 and 327.21 is: 490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.93 : 1,723.41 = 327.21 : x
  2. Step 2: Convert to fraction form
    1,148.93/1,723.41 = 327.21/x
  3. Step 3: Cross multiply
    1,148.93x = 1,723.41 × 327.21
  4. Step 4: Simplify right side
    1,148.93x = 563,908.37
  5. Step 5: Solve for x
    x = 563,908.37/1,148.93
  6. Step 6: Final answer
    x = 490.81

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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.