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Finding the Fourth Proportional to 578.16, 797.79 and 460.44

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Solution

The fourth proportional to 578.16, 797.79 and 460.44 is: 635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    578.16 : 797.79 = 460.44 : x
  2. Step 2: Convert to fraction form
    578.16/797.79 = 460.44/x
  3. Step 3: Cross multiply
    578.16x = 797.79 × 460.44
  4. Step 4: Simplify right side
    578.16x = 367,334.43
  5. Step 5: Solve for x
    x = 367,334.43/578.16
  6. Step 6: Final answer
    x = 635.35

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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.