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Finding the Fourth Proportional to 597.09, 893.81 and 442.63

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Solution

The fourth proportional to 597.09, 893.81 and 442.63 is: 662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.09 : 893.81 = 442.63 : x
  2. Step 2: Convert to fraction form
    597.09/893.81 = 442.63/x
  3. Step 3: Cross multiply
    597.09x = 893.81 × 442.63
  4. Step 4: Simplify right side
    597.09x = 395,628.10
  5. Step 5: Solve for x
    x = 395,628.10/597.09
  6. Step 6: Final answer
    x = 662.60

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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.