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Finding the Fourth Proportional to 611.61, 844.21 and 362.99

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Solution

The fourth proportional to 611.61, 844.21 and 362.99 is: 501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.61 : 844.21 = 362.99 : x
  2. Step 2: Convert to fraction form
    611.61/844.21 = 362.99/x
  3. Step 3: Cross multiply
    611.61x = 844.21 × 362.99
  4. Step 4: Simplify right side
    611.61x = 306,439.79
  5. Step 5: Solve for x
    x = 306,439.79/611.61
  6. Step 6: Final answer
    x = 501.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.