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Finding the Fourth Proportional to 441.59, 608.68 and 348.18

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Solution

The fourth proportional to 441.59, 608.68 and 348.18 is: 479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.59 : 608.68 = 348.18 : x
  2. Step 2: Convert to fraction form
    441.59/608.68 = 348.18/x
  3. Step 3: Cross multiply
    441.59x = 608.68 × 348.18
  4. Step 4: Simplify right side
    441.59x = 211,930.20
  5. Step 5: Solve for x
    x = 211,930.20/441.59
  6. Step 6: Final answer
    x = 479.93

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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.