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Finding the Fourth Proportional to 1,022.00, 1,532.49 and 328.50

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Solution

The fourth proportional to 1,022.00, 1,532.49 and 328.50 is: 492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.00 : 1,532.49 = 328.50 : x
  2. Step 2: Convert to fraction form
    1,022.00/1,532.49 = 328.50/x
  3. Step 3: Cross multiply
    1,022.00x = 1,532.49 × 328.50
  4. Step 4: Simplify right side
    1,022.00x = 503,422.97
  5. Step 5: Solve for x
    x = 503,422.97/1,022.00
  6. Step 6: Final answer
    x = 492.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.