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Finding the Fourth Proportional to 624.63, 940.67 and 544.44

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Solution

The fourth proportional to 624.63, 940.67 and 544.44 is: 819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.63 : 940.67 = 544.44 : x
  2. Step 2: Convert to fraction form
    624.63/940.67 = 544.44/x
  3. Step 3: Cross multiply
    624.63x = 940.67 × 544.44
  4. Step 4: Simplify right side
    624.63x = 512,139.74
  5. Step 5: Solve for x
    x = 512,139.74/624.63
  6. Step 6: Final answer
    x = 819.91

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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.