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Finding the Fourth Proportional to 294.12, 440.28 and 236.08

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Solution

The fourth proportional to 294.12, 440.28 and 236.08 is: 353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.12 : 440.28 = 236.08 : x
  2. Step 2: Convert to fraction form
    294.12/440.28 = 236.08/x
  3. Step 3: Cross multiply
    294.12x = 440.28 × 236.08
  4. Step 4: Simplify right side
    294.12x = 103,941.30
  5. Step 5: Solve for x
    x = 103,941.30/294.12
  6. Step 6: Final answer
    x = 353.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.