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Finding the Fourth Proportional to 357.64, 537 and 286.09

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Solution

The fourth proportional to 357.64, 537 and 286.09 is: 429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.64 : 537 = 286.09 : x
  2. Step 2: Convert to fraction form
    357.64/537 = 286.09/x
  3. Step 3: Cross multiply
    357.64x = 537 × 286.09
  4. Step 4: Simplify right side
    357.64x = 153,630.33
  5. Step 5: Solve for x
    x = 153,630.33/357.64
  6. Step 6: Final answer
    x = 429.57

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