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Finding the Fourth Proportional to 579.11, 866.96 and 373.07

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Solution

The fourth proportional to 579.11, 866.96 and 373.07 is: 558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.11 : 866.96 = 373.07 : x
  2. Step 2: Convert to fraction form
    579.11/866.96 = 373.07/x
  3. Step 3: Cross multiply
    579.11x = 866.96 × 373.07
  4. Step 4: Simplify right side
    579.11x = 323,436.77
  5. Step 5: Solve for x
    x = 323,436.77/579.11
  6. Step 6: Final answer
    x = 558.51

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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.