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Finding the Fourth Proportional to 488.52, 733.22 and 228.64

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Solution

The fourth proportional to 488.52, 733.22 and 228.64 is: 343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.52 : 733.22 = 228.64 : x
  2. Step 2: Convert to fraction form
    488.52/733.22 = 228.64/x
  3. Step 3: Cross multiply
    488.52x = 733.22 × 228.64
  4. Step 4: Simplify right side
    488.52x = 167,643.42
  5. Step 5: Solve for x
    x = 167,643.42/488.52
  6. Step 6: Final answer
    x = 343.17

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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.