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Finding the Fourth Proportional to 531.81, 733.88 and 298.93

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Solution

The fourth proportional to 531.81, 733.88 and 298.93 is: 412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.81 : 733.88 = 298.93 : x
  2. Step 2: Convert to fraction form
    531.81/733.88 = 298.93/x
  3. Step 3: Cross multiply
    531.81x = 733.88 × 298.93
  4. Step 4: Simplify right side
    531.81x = 219,379.50
  5. Step 5: Solve for x
    x = 219,379.50/531.81
  6. Step 6: Final answer
    x = 412.52

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