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Finding the Fourth Proportional to 948.06, 1,303.04 and 836.87

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Solution

The fourth proportional to 948.06, 1,303.04 and 836.87 is: 1,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    948.06 : 1,303.04 = 836.87 : x
  2. Step 2: Convert to fraction form
    948.06/1,303.04 = 836.87/x
  3. Step 3: Cross multiply
    948.06x = 1,303.04 × 836.87
  4. Step 4: Simplify right side
    948.06x = 1,090,470.66
  5. Step 5: Solve for x
    x = 1,090,470.66/948.06
  6. Step 6: Final answer
    x = 1,150.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.