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Finding the Fourth Proportional to 406.83, 609.87 and 146.77

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Solution

The fourth proportional to 406.83, 609.87 and 146.77 is: 220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    406.83 : 609.87 = 146.77 : x
  2. Step 2: Convert to fraction form
    406.83/609.87 = 146.77/x
  3. Step 3: Cross multiply
    406.83x = 609.87 × 146.77
  4. Step 4: Simplify right side
    406.83x = 89,508.82
  5. Step 5: Solve for x
    x = 89,508.82/406.83
  6. Step 6: Final answer
    x = 220.02

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