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Finding the Fourth Proportional to 350.36, 528.07 and 330.51

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Solution

The fourth proportional to 350.36, 528.07 and 330.51 is: 498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.36 : 528.07 = 330.51 : x
  2. Step 2: Convert to fraction form
    350.36/528.07 = 330.51/x
  3. Step 3: Cross multiply
    350.36x = 528.07 × 330.51
  4. Step 4: Simplify right side
    350.36x = 174,530.76
  5. Step 5: Solve for x
    x = 174,530.76/350.36
  6. Step 6: Final answer
    x = 498.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.