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Finding the Fourth Proportional to 415.83, 573.43 and 322.41

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Solution

The fourth proportional to 415.83, 573.43 and 322.41 is: 444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.83 : 573.43 = 322.41 : x
  2. Step 2: Convert to fraction form
    415.83/573.43 = 322.41/x
  3. Step 3: Cross multiply
    415.83x = 573.43 × 322.41
  4. Step 4: Simplify right side
    415.83x = 184,877.95
  5. Step 5: Solve for x
    x = 184,877.95/415.83
  6. Step 6: Final answer
    x = 444.60

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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.