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Finding the Fourth Proportional to 365.71, 547.69 and 202.99

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Solution

The fourth proportional to 365.71, 547.69 and 202.99 is: 304.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.71 : 547.69 = 202.99 : x
  2. Step 2: Convert to fraction form
    365.71/547.69 = 202.99/x
  3. Step 3: Cross multiply
    365.71x = 547.69 × 202.99
  4. Step 4: Simplify right side
    365.71x = 111,175.59
  5. Step 5: Solve for x
    x = 111,175.59/365.71
  6. Step 6: Final answer
    x = 304.00

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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.