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Finding the Fourth Proportional to 608.59, 913.11 and 365.29

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Solution

The fourth proportional to 608.59, 913.11 and 365.29 is: 548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.59 : 913.11 = 365.29 : x
  2. Step 2: Convert to fraction form
    608.59/913.11 = 365.29/x
  3. Step 3: Cross multiply
    608.59x = 913.11 × 365.29
  4. Step 4: Simplify right side
    608.59x = 333,549.95
  5. Step 5: Solve for x
    x = 333,549.95/608.59
  6. Step 6: Final answer
    x = 548.07

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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.