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Finding the Fourth Proportional to 591.63, 815.14 and 441.61

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Solution

The fourth proportional to 591.63, 815.14 and 441.61 is: 608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.63 : 815.14 = 441.61 : x
  2. Step 2: Convert to fraction form
    591.63/815.14 = 441.61/x
  3. Step 3: Cross multiply
    591.63x = 815.14 × 441.61
  4. Step 4: Simplify right side
    591.63x = 359,973.98
  5. Step 5: Solve for x
    x = 359,973.98/591.63
  6. Step 6: Final answer
    x = 608.44

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Double scale
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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.