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Finding the Fourth Proportional to 555.68, 833.54 and 360.83

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Solution

The fourth proportional to 555.68, 833.54 and 360.83 is: 541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.68 : 833.54 = 360.83 : x
  2. Step 2: Convert to fraction form
    555.68/833.54 = 360.83/x
  3. Step 3: Cross multiply
    555.68x = 833.54 × 360.83
  4. Step 4: Simplify right side
    555.68x = 300,766.52
  5. Step 5: Solve for x
    x = 300,766.52/555.68
  6. Step 6: Final answer
    x = 541.26

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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.