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Finding the Fourth Proportional to 464.56, 696.12 and 248.08

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Solution

The fourth proportional to 464.56, 696.12 and 248.08 is: 371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.56 : 696.12 = 248.08 : x
  2. Step 2: Convert to fraction form
    464.56/696.12 = 248.08/x
  3. Step 3: Cross multiply
    464.56x = 696.12 × 248.08
  4. Step 4: Simplify right side
    464.56x = 172,693.45
  5. Step 5: Solve for x
    x = 172,693.45/464.56
  6. Step 6: Final answer
    x = 371.74

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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.