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Finding the Fourth Proportional to 917.00, 1,375.76 and 369.06

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Solution

The fourth proportional to 917.00, 1,375.76 and 369.06 is: 553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    917.00 : 1,375.76 = 369.06 : x
  2. Step 2: Convert to fraction form
    917.00/1,375.76 = 369.06/x
  3. Step 3: Cross multiply
    917.00x = 1,375.76 × 369.06
  4. Step 4: Simplify right side
    917.00x = 507,732.71
  5. Step 5: Solve for x
    x = 507,732.71/917.00
  6. Step 6: Final answer
    x = 553.69

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