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Finding the Fourth Proportional to 608.22, 911.88 and 283.32

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Solution

The fourth proportional to 608.22, 911.88 and 283.32 is: 424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.22 : 911.88 = 283.32 : x
  2. Step 2: Convert to fraction form
    608.22/911.88 = 283.32/x
  3. Step 3: Cross multiply
    608.22x = 911.88 × 283.32
  4. Step 4: Simplify right side
    608.22x = 258,353.84
  5. Step 5: Solve for x
    x = 258,353.84/608.22
  6. Step 6: Final answer
    x = 424.77

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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.