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Finding the Fourth Proportional to 301.94, 416.60 and 232.06

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Solution

The fourth proportional to 301.94, 416.60 and 232.06 is: 320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.94 : 416.60 = 232.06 : x
  2. Step 2: Convert to fraction form
    301.94/416.60 = 232.06/x
  3. Step 3: Cross multiply
    301.94x = 416.60 × 232.06
  4. Step 4: Simplify right side
    301.94x = 96,676.20
  5. Step 5: Solve for x
    x = 96,676.20/301.94
  6. Step 6: Final answer
    x = 320.18

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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.