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Finding the Fourth Proportional to 366.55, 545.99 and 365.86

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Solution

The fourth proportional to 366.55, 545.99 and 365.86 is: 544.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.55 : 545.99 = 365.86 : x
  2. Step 2: Convert to fraction form
    366.55/545.99 = 365.86/x
  3. Step 3: Cross multiply
    366.55x = 545.99 × 365.86
  4. Step 4: Simplify right side
    366.55x = 199,755.90
  5. Step 5: Solve for x
    x = 199,755.90/366.55
  6. Step 6: Final answer
    x = 544.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.