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Finding the Fourth Proportional to 554.04, 834.03 and 392.84

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Solution

The fourth proportional to 554.04, 834.03 and 392.84 is: 591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.04 : 834.03 = 392.84 : x
  2. Step 2: Convert to fraction form
    554.04/834.03 = 392.84/x
  3. Step 3: Cross multiply
    554.04x = 834.03 × 392.84
  4. Step 4: Simplify right side
    554.04x = 327,640.35
  5. Step 5: Solve for x
    x = 327,640.35/554.04
  6. Step 6: Final answer
    x = 591.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.