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Finding the Fourth Proportional to 608.80, 913.08 and 175.96

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Solution

The fourth proportional to 608.80, 913.08 and 175.96 is: 263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.80 : 913.08 = 175.96 : x
  2. Step 2: Convert to fraction form
    608.80/913.08 = 175.96/x
  3. Step 3: Cross multiply
    608.80x = 913.08 × 175.96
  4. Step 4: Simplify right side
    608.80x = 160,665.56
  5. Step 5: Solve for x
    x = 160,665.56/608.80
  6. Step 6: Final answer
    x = 263.91

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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.