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Finding the Fourth Proportional to 552.86, 829.50 and 228.44

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Solution

The fourth proportional to 552.86, 829.50 and 228.44 is: 342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.86 : 829.50 = 228.44 : x
  2. Step 2: Convert to fraction form
    552.86/829.50 = 228.44/x
  3. Step 3: Cross multiply
    552.86x = 829.50 × 228.44
  4. Step 4: Simplify right side
    552.86x = 189,490.98
  5. Step 5: Solve for x
    x = 189,490.98/552.86
  6. Step 6: Final answer
    x = 342.75

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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.