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Finding the Fourth Proportional to 369.00, 553.57 and 125.52

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Solution

The fourth proportional to 369.00, 553.57 and 125.52 is: 188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.00 : 553.57 = 125.52 : x
  2. Step 2: Convert to fraction form
    369.00/553.57 = 125.52/x
  3. Step 3: Cross multiply
    369.00x = 553.57 × 125.52
  4. Step 4: Simplify right side
    369.00x = 69,481.34
  5. Step 5: Solve for x
    x = 69,481.34/369.00
  6. Step 6: Final answer
    x = 188.30

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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.