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Finding the Fourth Proportional to 336.08, 505.94 and 240.56

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Solution

The fourth proportional to 336.08, 505.94 and 240.56 is: 362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.08 : 505.94 = 240.56 : x
  2. Step 2: Convert to fraction form
    336.08/505.94 = 240.56/x
  3. Step 3: Cross multiply
    336.08x = 505.94 × 240.56
  4. Step 4: Simplify right side
    336.08x = 121,708.93
  5. Step 5: Solve for x
    x = 121,708.93/336.08
  6. Step 6: Final answer
    x = 362.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.