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Finding the Fourth Proportional to 369.37, 553.56 and 360.25

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Solution

The fourth proportional to 369.37, 553.56 and 360.25 is: 539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.37 : 553.56 = 360.25 : x
  2. Step 2: Convert to fraction form
    369.37/553.56 = 360.25/x
  3. Step 3: Cross multiply
    369.37x = 553.56 × 360.25
  4. Step 4: Simplify right side
    369.37x = 199,419.99
  5. Step 5: Solve for x
    x = 199,419.99/369.37
  6. Step 6: Final answer
    x = 539.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.