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Finding the Fourth Proportional to 674.32, 1,010.92 and 241.36

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Solution

The fourth proportional to 674.32, 1,010.92 and 241.36 is: 361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.32 : 1,010.92 = 241.36 : x
  2. Step 2: Convert to fraction form
    674.32/1,010.92 = 241.36/x
  3. Step 3: Cross multiply
    674.32x = 1,010.92 × 241.36
  4. Step 4: Simplify right side
    674.32x = 243,995.65
  5. Step 5: Solve for x
    x = 243,995.65/674.32
  6. Step 6: Final answer
    x = 361.84

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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.