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Finding the Fourth Proportional to 368.06, 511.48 and 363.48

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Solution

The fourth proportional to 368.06, 511.48 and 363.48 is: 505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.06 : 511.48 = 363.48 : x
  2. Step 2: Convert to fraction form
    368.06/511.48 = 363.48/x
  3. Step 3: Cross multiply
    368.06x = 511.48 × 363.48
  4. Step 4: Simplify right side
    368.06x = 185,912.75
  5. Step 5: Solve for x
    x = 185,912.75/368.06
  6. Step 6: Final answer
    x = 505.12

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.