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Finding the Fourth Proportional to 240.00, 330.59 and 202.62

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Solution

The fourth proportional to 240.00, 330.59 and 202.62 is: 279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.00 : 330.59 = 202.62 : x
  2. Step 2: Convert to fraction form
    240.00/330.59 = 202.62/x
  3. Step 3: Cross multiply
    240.00x = 330.59 × 202.62
  4. Step 4: Simplify right side
    240.00x = 66,983.46
  5. Step 5: Solve for x
    x = 66,983.46/240.00
  6. Step 6: Final answer
    x = 279.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.