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Finding the Fourth Proportional to 441.26, 608.51 and 317.52

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Solution

The fourth proportional to 441.26, 608.51 and 317.52 is: 437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.26 : 608.51 = 317.52 : x
  2. Step 2: Convert to fraction form
    441.26/608.51 = 317.52/x
  3. Step 3: Cross multiply
    441.26x = 608.51 × 317.52
  4. Step 4: Simplify right side
    441.26x = 193,212.51
  5. Step 5: Solve for x
    x = 193,212.51/441.26
  6. Step 6: Final answer
    x = 437.87

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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.