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Finding the Fourth Proportional to 554.01, 833.94 and 392.82

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Solution

The fourth proportional to 554.01, 833.94 and 392.82 is: 591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.01 : 833.94 = 392.82 : x
  2. Step 2: Convert to fraction form
    554.01/833.94 = 392.82/x
  3. Step 3: Cross multiply
    554.01x = 833.94 × 392.82
  4. Step 4: Simplify right side
    554.01x = 327,588.31
  5. Step 5: Solve for x
    x = 327,588.31/554.01
  6. Step 6: Final answer
    x = 591.30

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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.