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Finding the Fourth Proportional to 950.04, 1,317.06 and 900.05

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Solution

The fourth proportional to 950.04, 1,317.06 and 900.05 is: 1,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.04 : 1,317.06 = 900.05 : x
  2. Step 2: Convert to fraction form
    950.04/1,317.06 = 900.05/x
  3. Step 3: Cross multiply
    950.04x = 1,317.06 × 900.05
  4. Step 4: Simplify right side
    950.04x = 1,185,413.27
  5. Step 5: Solve for x
    x = 1,185,413.27/950.04
  6. Step 6: Final answer
    x = 1,247.75

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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.