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Finding the Fourth Proportional to 353.16, 528.88 and 291.84

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Solution

The fourth proportional to 353.16, 528.88 and 291.84 is: 437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.16 : 528.88 = 291.84 : x
  2. Step 2: Convert to fraction form
    353.16/528.88 = 291.84/x
  3. Step 3: Cross multiply
    353.16x = 528.88 × 291.84
  4. Step 4: Simplify right side
    353.16x = 154,348.34
  5. Step 5: Solve for x
    x = 154,348.34/353.16
  6. Step 6: Final answer
    x = 437.05

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