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Finding the Fourth Proportional to 277.47, 383.34 and 236.46

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Solution

The fourth proportional to 277.47, 383.34 and 236.46 is: 326.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.47 : 383.34 = 236.46 : x
  2. Step 2: Convert to fraction form
    277.47/383.34 = 236.46/x
  3. Step 3: Cross multiply
    277.47x = 383.34 × 236.46
  4. Step 4: Simplify right side
    277.47x = 90,644.58
  5. Step 5: Solve for x
    x = 90,644.58/277.47
  6. Step 6: Final answer
    x = 326.68

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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.