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Finding the Fourth Proportional to 575.16, 861.30 and 358.08

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Solution

The fourth proportional to 575.16, 861.30 and 358.08 is: 536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.16 : 861.30 = 358.08 : x
  2. Step 2: Convert to fraction form
    575.16/861.30 = 358.08/x
  3. Step 3: Cross multiply
    575.16x = 861.30 × 358.08
  4. Step 4: Simplify right side
    575.16x = 308,414.30
  5. Step 5: Solve for x
    x = 308,414.30/575.16
  6. Step 6: Final answer
    x = 536.22

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