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Finding the Fourth Proportional to 384.03, 575.64 and 343.53

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Solution

The fourth proportional to 384.03, 575.64 and 343.53 is: 514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.03 : 575.64 = 343.53 : x
  2. Step 2: Convert to fraction form
    384.03/575.64 = 343.53/x
  3. Step 3: Cross multiply
    384.03x = 575.64 × 343.53
  4. Step 4: Simplify right side
    384.03x = 197,749.61
  5. Step 5: Solve for x
    x = 197,749.61/384.03
  6. Step 6: Final answer
    x = 514.93

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