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Finding the Fourth Proportional to 441.15, 608.54 and 301.29

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Solution

The fourth proportional to 441.15, 608.54 and 301.29 is: 415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.15 : 608.54 = 301.29 : x
  2. Step 2: Convert to fraction form
    441.15/608.54 = 301.29/x
  3. Step 3: Cross multiply
    441.15x = 608.54 × 301.29
  4. Step 4: Simplify right side
    441.15x = 183,345.51
  5. Step 5: Solve for x
    x = 183,345.51/441.15
  6. Step 6: Final answer
    x = 415.61

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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.