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Finding the Fourth Proportional to 307.91, 424.94 and 176.93

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Solution

The fourth proportional to 307.91, 424.94 and 176.93 is: 244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.91 : 424.94 = 176.93 : x
  2. Step 2: Convert to fraction form
    307.91/424.94 = 176.93/x
  3. Step 3: Cross multiply
    307.91x = 424.94 × 176.93
  4. Step 4: Simplify right side
    307.91x = 75,184.63
  5. Step 5: Solve for x
    x = 75,184.63/307.91
  6. Step 6: Final answer
    x = 244.18

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