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Finding the Fourth Proportional to 357.76, 493.75 and 210.52

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Solution

The fourth proportional to 357.76, 493.75 and 210.52 is: 290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.76 : 493.75 = 210.52 : x
  2. Step 2: Convert to fraction form
    357.76/493.75 = 210.52/x
  3. Step 3: Cross multiply
    357.76x = 493.75 × 210.52
  4. Step 4: Simplify right side
    357.76x = 103,944.25
  5. Step 5: Solve for x
    x = 103,944.25/357.76
  6. Step 6: Final answer
    x = 290.54

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