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Finding the Fourth Proportional to 369.05, 507.66 and 354.07

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Solution

The fourth proportional to 369.05, 507.66 and 354.07 is: 487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.05 : 507.66 = 354.07 : x
  2. Step 2: Convert to fraction form
    369.05/507.66 = 354.07/x
  3. Step 3: Cross multiply
    369.05x = 507.66 × 354.07
  4. Step 4: Simplify right side
    369.05x = 179,744.58
  5. Step 5: Solve for x
    x = 179,744.58/369.05
  6. Step 6: Final answer
    x = 487.04

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