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Finding the Fourth Proportional to 304.29, 420.35 and 246.33

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Solution

The fourth proportional to 304.29, 420.35 and 246.33 is: 340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.29 : 420.35 = 246.33 : x
  2. Step 2: Convert to fraction form
    304.29/420.35 = 246.33/x
  3. Step 3: Cross multiply
    304.29x = 420.35 × 246.33
  4. Step 4: Simplify right side
    304.29x = 103,543.58
  5. Step 5: Solve for x
    x = 103,543.58/304.29
  6. Step 6: Final answer
    x = 340.28

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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.