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Finding the Fourth Proportional to 575.33, 798.02 and 554.57

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Solution

The fourth proportional to 575.33, 798.02 and 554.57 is: 769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.33 : 798.02 = 554.57 : x
  2. Step 2: Convert to fraction form
    575.33/798.02 = 554.57/x
  3. Step 3: Cross multiply
    575.33x = 798.02 × 554.57
  4. Step 4: Simplify right side
    575.33x = 442,554.70
  5. Step 5: Solve for x
    x = 442,554.70/575.33
  6. Step 6: Final answer
    x = 769.23

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.