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Finding the Fourth Proportional to 301.64, 415.37 and 294.83

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Solution

The fourth proportional to 301.64, 415.37 and 294.83 is: 405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.64 : 415.37 = 294.83 : x
  2. Step 2: Convert to fraction form
    301.64/415.37 = 294.83/x
  3. Step 3: Cross multiply
    301.64x = 415.37 × 294.83
  4. Step 4: Simplify right side
    301.64x = 122,462.20
  5. Step 5: Solve for x
    x = 122,462.20/301.64
  6. Step 6: Final answer
    x = 405.98

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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.