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Finding the Fourth Proportional to 270.81, 404.26 and 246.51

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Solution

The fourth proportional to 270.81, 404.26 and 246.51 is: 367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.81 : 404.26 = 246.51 : x
  2. Step 2: Convert to fraction form
    270.81/404.26 = 246.51/x
  3. Step 3: Cross multiply
    270.81x = 404.26 × 246.51
  4. Step 4: Simplify right side
    270.81x = 99,653.52
  5. Step 5: Solve for x
    x = 99,653.52/270.81
  6. Step 6: Final answer
    x = 367.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.