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Finding the Fourth Proportional to 575.75, 794.87 and 401.33

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Solution

The fourth proportional to 575.75, 794.87 and 401.33 is: 554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.75 : 794.87 = 401.33 : x
  2. Step 2: Convert to fraction form
    575.75/794.87 = 401.33/x
  3. Step 3: Cross multiply
    575.75x = 794.87 × 401.33
  4. Step 4: Simplify right side
    575.75x = 318,999.20
  5. Step 5: Solve for x
    x = 318,999.20/575.75
  6. Step 6: Final answer
    x = 554.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.