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Finding the Fourth Proportional to 608.87, 910.98 and 335.15

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Solution

The fourth proportional to 608.87, 910.98 and 335.15 is: 501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.87 : 910.98 = 335.15 : x
  2. Step 2: Convert to fraction form
    608.87/910.98 = 335.15/x
  3. Step 3: Cross multiply
    608.87x = 910.98 × 335.15
  4. Step 4: Simplify right side
    608.87x = 305,314.95
  5. Step 5: Solve for x
    x = 305,314.95/608.87
  6. Step 6: Final answer
    x = 501.45

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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.