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Finding the Fourth Proportional to 604.34, 906.48 and 171.48

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Solution

The fourth proportional to 604.34, 906.48 and 171.48 is: 257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.34 : 906.48 = 171.48 : x
  2. Step 2: Convert to fraction form
    604.34/906.48 = 171.48/x
  3. Step 3: Cross multiply
    604.34x = 906.48 × 171.48
  4. Step 4: Simplify right side
    604.34x = 155,443.19
  5. Step 5: Solve for x
    x = 155,443.19/604.34
  6. Step 6: Final answer
    x = 257.21

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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.