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Finding the Fourth Proportional to 575.56, 794.06 and 351.58

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Solution

The fourth proportional to 575.56, 794.06 and 351.58 is: 485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.56 : 794.06 = 351.58 : x
  2. Step 2: Convert to fraction form
    575.56/794.06 = 351.58/x
  3. Step 3: Cross multiply
    575.56x = 794.06 × 351.58
  4. Step 4: Simplify right side
    575.56x = 279,175.61
  5. Step 5: Solve for x
    x = 279,175.61/575.56
  6. Step 6: Final answer
    x = 485.05

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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.