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Finding the Fourth Proportional to 442.33, 604.73 and 425.32

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Solution

The fourth proportional to 442.33, 604.73 and 425.32 is: 581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.33 : 604.73 = 425.32 : x
  2. Step 2: Convert to fraction form
    442.33/604.73 = 425.32/x
  3. Step 3: Cross multiply
    442.33x = 604.73 × 425.32
  4. Step 4: Simplify right side
    442.33x = 257,203.32
  5. Step 5: Solve for x
    x = 257,203.32/442.33
  6. Step 6: Final answer
    x = 581.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.