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Finding the Fourth Proportional to 340.96, 508.82 and 304.51

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Solution

The fourth proportional to 340.96, 508.82 and 304.51 is: 454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.96 : 508.82 = 304.51 : x
  2. Step 2: Convert to fraction form
    340.96/508.82 = 304.51/x
  3. Step 3: Cross multiply
    340.96x = 508.82 × 304.51
  4. Step 4: Simplify right side
    340.96x = 154,941.54
  5. Step 5: Solve for x
    x = 154,941.54/340.96
  6. Step 6: Final answer
    x = 454.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.