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Finding the Fourth Proportional to 245.06, 335.36 and 240.02

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Solution

The fourth proportional to 245.06, 335.36 and 240.02 is: 328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.06 : 335.36 = 240.02 : x
  2. Step 2: Convert to fraction form
    245.06/335.36 = 240.02/x
  3. Step 3: Cross multiply
    245.06x = 335.36 × 240.02
  4. Step 4: Simplify right side
    245.06x = 80,493.11
  5. Step 5: Solve for x
    x = 80,493.11/245.06
  6. Step 6: Final answer
    x = 328.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.