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Finding the Fourth Proportional to 556.06, 837.37 and 484.78

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Solution

The fourth proportional to 556.06, 837.37 and 484.78 is: 730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.06 : 837.37 = 484.78 : x
  2. Step 2: Convert to fraction form
    556.06/837.37 = 484.78/x
  3. Step 3: Cross multiply
    556.06x = 837.37 × 484.78
  4. Step 4: Simplify right side
    556.06x = 405,940.23
  5. Step 5: Solve for x
    x = 405,940.23/556.06
  6. Step 6: Final answer
    x = 730.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.