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Finding the Fourth Proportional to 555.79, 833.77 and 185.48

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Solution

The fourth proportional to 555.79, 833.77 and 185.48 is: 278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.79 : 833.77 = 185.48 : x
  2. Step 2: Convert to fraction form
    555.79/833.77 = 185.48/x
  3. Step 3: Cross multiply
    555.79x = 833.77 × 185.48
  4. Step 4: Simplify right side
    555.79x = 154,644.57
  5. Step 5: Solve for x
    x = 154,644.57/555.79
  6. Step 6: Final answer
    x = 278.24

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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.