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Finding the Fourth Proportional to 656.72, 906.30 and 362

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Solution

The fourth proportional to 656.72, 906.30 and 362 is: 499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.72 : 906.30 = 362 : x
  2. Step 2: Convert to fraction form
    656.72/906.30 = 362/x
  3. Step 3: Cross multiply
    656.72x = 906.30 × 362
  4. Step 4: Simplify right side
    656.72x = 328,080.60
  5. Step 5: Solve for x
    x = 328,080.60/656.72
  6. Step 6: Final answer
    x = 499.57

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