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Finding the Fourth Proportional to 495.44, 683.16 and 377.36

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Solution

The fourth proportional to 495.44, 683.16 and 377.36 is: 520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.44 : 683.16 = 377.36 : x
  2. Step 2: Convert to fraction form
    495.44/683.16 = 377.36/x
  3. Step 3: Cross multiply
    495.44x = 683.16 × 377.36
  4. Step 4: Simplify right side
    495.44x = 257,797.26
  5. Step 5: Solve for x
    x = 257,797.26/495.44
  6. Step 6: Final answer
    x = 520.34

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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.