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Finding the Fourth Proportional to 351.69, 530.01 and 335.22

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Solution

The fourth proportional to 351.69, 530.01 and 335.22 is: 505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.69 : 530.01 = 335.22 : x
  2. Step 2: Convert to fraction form
    351.69/530.01 = 335.22/x
  3. Step 3: Cross multiply
    351.69x = 530.01 × 335.22
  4. Step 4: Simplify right side
    351.69x = 177,669.95
  5. Step 5: Solve for x
    x = 177,669.95/351.69
  6. Step 6: Final answer
    x = 505.19

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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.