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Finding the Fourth Proportional to 627.33, 942.81 and 302.93

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Solution

The fourth proportional to 627.33, 942.81 and 302.93 is: 455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.33 : 942.81 = 302.93 : x
  2. Step 2: Convert to fraction form
    627.33/942.81 = 302.93/x
  3. Step 3: Cross multiply
    627.33x = 942.81 × 302.93
  4. Step 4: Simplify right side
    627.33x = 285,600.72
  5. Step 5: Solve for x
    x = 285,600.72/627.33
  6. Step 6: Final answer
    x = 455.26

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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.