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Finding the Fourth Proportional to 301.48, 416.04 and 259.96

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Solution

The fourth proportional to 301.48, 416.04 and 259.96 is: 358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.48 : 416.04 = 259.96 : x
  2. Step 2: Convert to fraction form
    301.48/416.04 = 259.96/x
  3. Step 3: Cross multiply
    301.48x = 416.04 × 259.96
  4. Step 4: Simplify right side
    301.48x = 108,153.76
  5. Step 5: Solve for x
    x = 108,153.76/301.48
  6. Step 6: Final answer
    x = 358.74

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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.