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Finding the Fourth Proportional to 338.85, 508.14 and 176.58

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Solution

The fourth proportional to 338.85, 508.14 and 176.58 is: 264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.85 : 508.14 = 176.58 : x
  2. Step 2: Convert to fraction form
    338.85/508.14 = 176.58/x
  3. Step 3: Cross multiply
    338.85x = 508.14 × 176.58
  4. Step 4: Simplify right side
    338.85x = 89,727.36
  5. Step 5: Solve for x
    x = 89,727.36/338.85
  6. Step 6: Final answer
    x = 264.80

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