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Finding the Fourth Proportional to 247.03, 370.55 and 64.45

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Solution

The fourth proportional to 247.03, 370.55 and 64.45 is: 96.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.03 : 370.55 = 64.45 : x
  2. Step 2: Convert to fraction form
    247.03/370.55 = 64.45/x
  3. Step 3: Cross multiply
    247.03x = 370.55 × 64.45
  4. Step 4: Simplify right side
    247.03x = 23,879.77
  5. Step 5: Solve for x
    x = 23,879.77/247.03
  6. Step 6: Final answer
    x = 96.67

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