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Finding the Fourth Proportional to 554.45, 831.97 and 246.52

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Solution

The fourth proportional to 554.45, 831.97 and 246.52 is: 369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.45 : 831.97 = 246.52 : x
  2. Step 2: Convert to fraction form
    554.45/831.97 = 246.52/x
  3. Step 3: Cross multiply
    554.45x = 831.97 × 246.52
  4. Step 4: Simplify right side
    554.45x = 205,097.24
  5. Step 5: Solve for x
    x = 205,097.24/554.45
  6. Step 6: Final answer
    x = 369.91

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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.