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Finding the Fourth Proportional to 353.97, 530.53 and 232.02

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Solution

The fourth proportional to 353.97, 530.53 and 232.02 is: 347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.97 : 530.53 = 232.02 : x
  2. Step 2: Convert to fraction form
    353.97/530.53 = 232.02/x
  3. Step 3: Cross multiply
    353.97x = 530.53 × 232.02
  4. Step 4: Simplify right side
    353.97x = 123,093.57
  5. Step 5: Solve for x
    x = 123,093.57/353.97
  6. Step 6: Final answer
    x = 347.75

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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.