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Finding the Fourth Proportional to 628.06, 941.04 and 444.55

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Solution

The fourth proportional to 628.06, 941.04 and 444.55 is: 666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.06 : 941.04 = 444.55 : x
  2. Step 2: Convert to fraction form
    628.06/941.04 = 444.55/x
  3. Step 3: Cross multiply
    628.06x = 941.04 × 444.55
  4. Step 4: Simplify right side
    628.06x = 418,339.33
  5. Step 5: Solve for x
    x = 418,339.33/628.06
  6. Step 6: Final answer
    x = 666.08

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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.