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Finding the Fourth Proportional to 296.36, 409.08 and 178.46

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Solution

The fourth proportional to 296.36, 409.08 and 178.46 is: 246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.36 : 409.08 = 178.46 : x
  2. Step 2: Convert to fraction form
    296.36/409.08 = 178.46/x
  3. Step 3: Cross multiply
    296.36x = 409.08 × 178.46
  4. Step 4: Simplify right side
    296.36x = 73,004.42
  5. Step 5: Solve for x
    x = 73,004.42/296.36
  6. Step 6: Final answer
    x = 246.34

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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.