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Finding the Fourth Proportional to 555.62, 833.31 and 230.60

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Solution

The fourth proportional to 555.62, 833.31 and 230.60 is: 345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.62 : 833.31 = 230.60 : x
  2. Step 2: Convert to fraction form
    555.62/833.31 = 230.60/x
  3. Step 3: Cross multiply
    555.62x = 833.31 × 230.60
  4. Step 4: Simplify right side
    555.62x = 192,161.29
  5. Step 5: Solve for x
    x = 192,161.29/555.62
  6. Step 6: Final answer
    x = 345.85

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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.