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Finding the Fourth Proportional to 618, 927.03 and 570.39

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Solution

The fourth proportional to 618, 927.03 and 570.39 is: 855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    618 : 927.03 = 570.39 : x
  2. Step 2: Convert to fraction form
    618/927.03 = 570.39/x
  3. Step 3: Cross multiply
    618x = 927.03 × 570.39
  4. Step 4: Simplify right side
    618x = 528,768.64
  5. Step 5: Solve for x
    x = 528,768.64/618
  6. Step 6: Final answer
    x = 855.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.