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Finding the Fourth Proportional to 352.89, 528.93 and 348.84

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Solution

The fourth proportional to 352.89, 528.93 and 348.84 is: 522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.89 : 528.93 = 348.84 : x
  2. Step 2: Convert to fraction form
    352.89/528.93 = 348.84/x
  3. Step 3: Cross multiply
    352.89x = 528.93 × 348.84
  4. Step 4: Simplify right side
    352.89x = 184,511.94
  5. Step 5: Solve for x
    x = 184,511.94/352.89
  6. Step 6: Final answer
    x = 522.86

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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.