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Finding the Fourth Proportional to 626.63, 942.08 and 575.39

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Solution

The fourth proportional to 626.63, 942.08 and 575.39 is: 865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.63 : 942.08 = 575.39 : x
  2. Step 2: Convert to fraction form
    626.63/942.08 = 575.39/x
  3. Step 3: Cross multiply
    626.63x = 942.08 × 575.39
  4. Step 4: Simplify right side
    626.63x = 542,062.89
  5. Step 5: Solve for x
    x = 542,062.89/626.63
  6. Step 6: Final answer
    x = 865.05

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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.