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Finding the Fourth Proportional to 608.58, 905.99 and 605.34

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Solution

The fourth proportional to 608.58, 905.99 and 605.34 is: 901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.58 : 905.99 = 605.34 : x
  2. Step 2: Convert to fraction form
    608.58/905.99 = 605.34/x
  3. Step 3: Cross multiply
    608.58x = 905.99 × 605.34
  4. Step 4: Simplify right side
    608.58x = 548,428.96
  5. Step 5: Solve for x
    x = 548,428.96/608.58
  6. Step 6: Final answer
    x = 901.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.