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Finding the Fourth Proportional to 537.70, 805.93 and 440.37

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Solution

The fourth proportional to 537.70, 805.93 and 440.37 is: 660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.70 : 805.93 = 440.37 : x
  2. Step 2: Convert to fraction form
    537.70/805.93 = 440.37/x
  3. Step 3: Cross multiply
    537.70x = 805.93 × 440.37
  4. Step 4: Simplify right side
    537.70x = 354,907.39
  5. Step 5: Solve for x
    x = 354,907.39/537.70
  6. Step 6: Final answer
    x = 660.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.