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Finding the Fourth Proportional to 497.44, 686.32 and 301

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Solution

The fourth proportional to 497.44, 686.32 and 301 is: 415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.44 : 686.32 = 301 : x
  2. Step 2: Convert to fraction form
    497.44/686.32 = 301/x
  3. Step 3: Cross multiply
    497.44x = 686.32 × 301
  4. Step 4: Simplify right side
    497.44x = 206,582.32
  5. Step 5: Solve for x
    x = 206,582.32/497.44
  6. Step 6: Final answer
    x = 415.29

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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.