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Finding the Fourth Proportional to 342.59, 513.89 and 325.99

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Solution

The fourth proportional to 342.59, 513.89 and 325.99 is: 488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.59 : 513.89 = 325.99 : x
  2. Step 2: Convert to fraction form
    342.59/513.89 = 325.99/x
  3. Step 3: Cross multiply
    342.59x = 513.89 × 325.99
  4. Step 4: Simplify right side
    342.59x = 167,523.00
  5. Step 5: Solve for x
    x = 167,523.00/342.59
  6. Step 6: Final answer
    x = 488.99

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