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Finding the Fourth Proportional to 832.22, 1,148.46 and 482.97

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Solution

The fourth proportional to 832.22, 1,148.46 and 482.97 is: 666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.22 : 1,148.46 = 482.97 : x
  2. Step 2: Convert to fraction form
    832.22/1,148.46 = 482.97/x
  3. Step 3: Cross multiply
    832.22x = 1,148.46 × 482.97
  4. Step 4: Simplify right side
    832.22x = 554,676.94
  5. Step 5: Solve for x
    x = 554,676.94/832.22
  6. Step 6: Final answer
    x = 666.50

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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.