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Finding the Fourth Proportional to 364.93, 547.41 and 203.64

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Solution

The fourth proportional to 364.93, 547.41 and 203.64 is: 305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.93 : 547.41 = 203.64 : x
  2. Step 2: Convert to fraction form
    364.93/547.41 = 203.64/x
  3. Step 3: Cross multiply
    364.93x = 547.41 × 203.64
  4. Step 4: Simplify right side
    364.93x = 111,475.22
  5. Step 5: Solve for x
    x = 111,475.22/364.93
  6. Step 6: Final answer
    x = 305.47

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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.