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Finding the Fourth Proportional to 637.50, 880 and 416.64

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Solution

The fourth proportional to 637.50, 880 and 416.64 is: 575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.50 : 880 = 416.64 : x
  2. Step 2: Convert to fraction form
    637.50/880 = 416.64/x
  3. Step 3: Cross multiply
    637.50x = 880 × 416.64
  4. Step 4: Simplify right side
    637.50x = 366,643.20
  5. Step 5: Solve for x
    x = 366,643.20/637.50
  6. Step 6: Final answer
    x = 575.13

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