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Finding the Fourth Proportional to 554.92, 831.06 and 535.48

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Solution

The fourth proportional to 554.92, 831.06 and 535.48 is: 801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.92 : 831.06 = 535.48 : x
  2. Step 2: Convert to fraction form
    554.92/831.06 = 535.48/x
  3. Step 3: Cross multiply
    554.92x = 831.06 × 535.48
  4. Step 4: Simplify right side
    554.92x = 445,016.01
  5. Step 5: Solve for x
    x = 445,016.01/554.92
  6. Step 6: Final answer
    x = 801.95

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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.