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Finding the Fourth Proportional to 365.55, 544.50 and 364.86

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Solution

The fourth proportional to 365.55, 544.50 and 364.86 is: 543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.55 : 544.50 = 364.86 : x
  2. Step 2: Convert to fraction form
    365.55/544.50 = 364.86/x
  3. Step 3: Cross multiply
    365.55x = 544.50 × 364.86
  4. Step 4: Simplify right side
    365.55x = 198,666.27
  5. Step 5: Solve for x
    x = 198,666.27/365.55
  6. Step 6: Final answer
    x = 543.47

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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.