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Finding the Fourth Proportional to 245.47, 366.77 and 236.97

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Solution

The fourth proportional to 245.47, 366.77 and 236.97 is: 354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.47 : 366.77 = 236.97 : x
  2. Step 2: Convert to fraction form
    245.47/366.77 = 236.97/x
  3. Step 3: Cross multiply
    245.47x = 366.77 × 236.97
  4. Step 4: Simplify right side
    245.47x = 86,913.49
  5. Step 5: Solve for x
    x = 86,913.49/245.47
  6. Step 6: Final answer
    x = 354.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.