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Finding the Fourth Proportional to 482.75, 723.90 and 336.57

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Solution

The fourth proportional to 482.75, 723.90 and 336.57 is: 504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.75 : 723.90 = 336.57 : x
  2. Step 2: Convert to fraction form
    482.75/723.90 = 336.57/x
  3. Step 3: Cross multiply
    482.75x = 723.90 × 336.57
  4. Step 4: Simplify right side
    482.75x = 243,644.84
  5. Step 5: Solve for x
    x = 243,644.84/482.75
  6. Step 6: Final answer
    x = 504.70

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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.