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Finding the Fourth Proportional to 555.89, 833.37 and 309.09

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Solution

The fourth proportional to 555.89, 833.37 and 309.09 is: 463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.89 : 833.37 = 309.09 : x
  2. Step 2: Convert to fraction form
    555.89/833.37 = 309.09/x
  3. Step 3: Cross multiply
    555.89x = 833.37 × 309.09
  4. Step 4: Simplify right side
    555.89x = 257,586.33
  5. Step 5: Solve for x
    x = 257,586.33/555.89
  6. Step 6: Final answer
    x = 463.38

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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.