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Finding the Fourth Proportional to 630.23, 945.71 and 264.99

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Solution

The fourth proportional to 630.23, 945.71 and 264.99 is: 397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.23 : 945.71 = 264.99 : x
  2. Step 2: Convert to fraction form
    630.23/945.71 = 264.99/x
  3. Step 3: Cross multiply
    630.23x = 945.71 × 264.99
  4. Step 4: Simplify right side
    630.23x = 250,602.37
  5. Step 5: Solve for x
    x = 250,602.37/630.23
  6. Step 6: Final answer
    x = 397.64

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