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Finding the Fourth Proportional to 630.52, 868.44 and 581.32

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Solution

The fourth proportional to 630.52, 868.44 and 581.32 is: 800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.52 : 868.44 = 581.32 : x
  2. Step 2: Convert to fraction form
    630.52/868.44 = 581.32/x
  3. Step 3: Cross multiply
    630.52x = 868.44 × 581.32
  4. Step 4: Simplify right side
    630.52x = 504,841.54
  5. Step 5: Solve for x
    x = 504,841.54/630.52
  6. Step 6: Final answer
    x = 800.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.