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Finding the Fourth Proportional to 527.22, 790.84 and 142.46

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Solution

The fourth proportional to 527.22, 790.84 and 142.46 is: 213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.22 : 790.84 = 142.46 : x
  2. Step 2: Convert to fraction form
    527.22/790.84 = 142.46/x
  3. Step 3: Cross multiply
    527.22x = 790.84 × 142.46
  4. Step 4: Simplify right side
    527.22x = 112,663.07
  5. Step 5: Solve for x
    x = 112,663.07/527.22
  6. Step 6: Final answer
    x = 213.69

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