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Finding the Fourth Proportional to 353.33, 527.64 and 349.51

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Solution

The fourth proportional to 353.33, 527.64 and 349.51 is: 521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.33 : 527.64 = 349.51 : x
  2. Step 2: Convert to fraction form
    353.33/527.64 = 349.51/x
  3. Step 3: Cross multiply
    353.33x = 527.64 × 349.51
  4. Step 4: Simplify right side
    353.33x = 184,413.71
  5. Step 5: Solve for x
    x = 184,413.71/353.33
  6. Step 6: Final answer
    x = 521.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.