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Finding the Fourth Proportional to 936.02, 1,401.91 and 570.00

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Solution

The fourth proportional to 936.02, 1,401.91 and 570.00 is: 853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.02 : 1,401.91 = 570.00 : x
  2. Step 2: Convert to fraction form
    936.02/1,401.91 = 570.00/x
  3. Step 3: Cross multiply
    936.02x = 1,401.91 × 570.00
  4. Step 4: Simplify right side
    936.02x = 799,092.53
  5. Step 5: Solve for x
    x = 799,092.53/936.02
  6. Step 6: Final answer
    x = 853.71

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Why These Related Problems?

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