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Finding the Fourth Proportional to 522.95, 721.01 and 434.52

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Solution

The fourth proportional to 522.95, 721.01 and 434.52 is: 599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.95 : 721.01 = 434.52 : x
  2. Step 2: Convert to fraction form
    522.95/721.01 = 434.52/x
  3. Step 3: Cross multiply
    522.95x = 721.01 × 434.52
  4. Step 4: Simplify right side
    522.95x = 313,291.09
  5. Step 5: Solve for x
    x = 313,291.09/522.95
  6. Step 6: Final answer
    x = 599.09

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