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Finding the Fourth Proportional to 651.99, 978 and 469.47

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Solution

The fourth proportional to 651.99, 978 and 469.47 is: 704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.99 : 978 = 469.47 : x
  2. Step 2: Convert to fraction form
    651.99/978 = 469.47/x
  3. Step 3: Cross multiply
    651.99x = 978 × 469.47
  4. Step 4: Simplify right side
    651.99x = 459,141.66
  5. Step 5: Solve for x
    x = 459,141.66/651.99
  6. Step 6: Final answer
    x = 704.22

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