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Finding the Fourth Proportional to 369.70, 553.87 and 352.84

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Solution

The fourth proportional to 369.70, 553.87 and 352.84 is: 528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.70 : 553.87 = 352.84 : x
  2. Step 2: Convert to fraction form
    369.70/553.87 = 352.84/x
  3. Step 3: Cross multiply
    369.70x = 553.87 × 352.84
  4. Step 4: Simplify right side
    369.70x = 195,427.49
  5. Step 5: Solve for x
    x = 195,427.49/369.70
  6. Step 6: Final answer
    x = 528.61

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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.