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Finding the Fourth Proportional to 556.08, 837.39 and 484.80

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Solution

The fourth proportional to 556.08, 837.39 and 484.80 is: 730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.08 : 837.39 = 484.80 : x
  2. Step 2: Convert to fraction form
    556.08/837.39 = 484.80/x
  3. Step 3: Cross multiply
    556.08x = 837.39 × 484.80
  4. Step 4: Simplify right side
    556.08x = 405,966.67
  5. Step 5: Solve for x
    x = 405,966.67/556.08
  6. Step 6: Final answer
    x = 730.05

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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.