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Finding the Fourth Proportional to 522.24, 783 and 348.72

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Solution

The fourth proportional to 522.24, 783 and 348.72 is: 522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.24 : 783 = 348.72 : x
  2. Step 2: Convert to fraction form
    522.24/783 = 348.72/x
  3. Step 3: Cross multiply
    522.24x = 783 × 348.72
  4. Step 4: Simplify right side
    522.24x = 273,047.76
  5. Step 5: Solve for x
    x = 273,047.76/522.24
  6. Step 6: Final answer
    x = 522.84

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