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Finding the Fourth Proportional to 483.95, 667.54 and 365.74

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Solution

The fourth proportional to 483.95, 667.54 and 365.74 is: 504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.95 : 667.54 = 365.74 : x
  2. Step 2: Convert to fraction form
    483.95/667.54 = 365.74/x
  3. Step 3: Cross multiply
    483.95x = 667.54 × 365.74
  4. Step 4: Simplify right side
    483.95x = 244,146.08
  5. Step 5: Solve for x
    x = 244,146.08/483.95
  6. Step 6: Final answer
    x = 504.49

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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.