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Finding the Fourth Proportional to 368.81, 508.92 and 244.61

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Solution

The fourth proportional to 368.81, 508.92 and 244.61 is: 337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.81 : 508.92 = 244.61 : x
  2. Step 2: Convert to fraction form
    368.81/508.92 = 244.61/x
  3. Step 3: Cross multiply
    368.81x = 508.92 × 244.61
  4. Step 4: Simplify right side
    368.81x = 124,486.92
  5. Step 5: Solve for x
    x = 124,486.92/368.81
  6. Step 6: Final answer
    x = 337.54

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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.