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Finding the Fourth Proportional to 350.16, 482.89 and 303.51

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Solution

The fourth proportional to 350.16, 482.89 and 303.51 is: 418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.16 : 482.89 = 303.51 : x
  2. Step 2: Convert to fraction form
    350.16/482.89 = 303.51/x
  3. Step 3: Cross multiply
    350.16x = 482.89 × 303.51
  4. Step 4: Simplify right side
    350.16x = 146,561.94
  5. Step 5: Solve for x
    x = 146,561.94/350.16
  6. Step 6: Final answer
    x = 418.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.