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Finding the Fourth Proportional to 552.63, 829.00 and 162.64

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Solution

The fourth proportional to 552.63, 829.00 and 162.64 is: 243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.63 : 829.00 = 162.64 : x
  2. Step 2: Convert to fraction form
    552.63/829.00 = 162.64/x
  3. Step 3: Cross multiply
    552.63x = 829.00 × 162.64
  4. Step 4: Simplify right side
    552.63x = 134,825.59
  5. Step 5: Solve for x
    x = 134,825.59/552.63
  6. Step 6: Final answer
    x = 243.97

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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.