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Finding the Fourth Proportional to 554.02, 828.87 and 370.54

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Solution

The fourth proportional to 554.02, 828.87 and 370.54 is: 554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.02 : 828.87 = 370.54 : x
  2. Step 2: Convert to fraction form
    554.02/828.87 = 370.54/x
  3. Step 3: Cross multiply
    554.02x = 828.87 × 370.54
  4. Step 4: Simplify right side
    554.02x = 307,129.49
  5. Step 5: Solve for x
    x = 307,129.49/554.02
  6. Step 6: Final answer
    x = 554.37

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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.