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Finding the Fourth Proportional to 346.55, 520.26 and 344.82

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Solution

The fourth proportional to 346.55, 520.26 and 344.82 is: 517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.55 : 520.26 = 344.82 : x
  2. Step 2: Convert to fraction form
    346.55/520.26 = 344.82/x
  3. Step 3: Cross multiply
    346.55x = 520.26 × 344.82
  4. Step 4: Simplify right side
    346.55x = 179,396.71
  5. Step 5: Solve for x
    x = 179,396.71/346.55
  6. Step 6: Final answer
    x = 517.67

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