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Finding the Fourth Proportional to 364.81, 547.23 and 202.15

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Solution

The fourth proportional to 364.81, 547.23 and 202.15 is: 303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.81 : 547.23 = 202.15 : x
  2. Step 2: Convert to fraction form
    364.81/547.23 = 202.15/x
  3. Step 3: Cross multiply
    364.81x = 547.23 × 202.15
  4. Step 4: Simplify right side
    364.81x = 110,622.54
  5. Step 5: Solve for x
    x = 110,622.54/364.81
  6. Step 6: Final answer
    x = 303.23

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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.