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Finding the Fourth Proportional to 368.69, 508.65 and 244.43

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Solution

The fourth proportional to 368.69, 508.65 and 244.43 is: 337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.69 : 508.65 = 244.43 : x
  2. Step 2: Convert to fraction form
    368.69/508.65 = 244.43/x
  3. Step 3: Cross multiply
    368.69x = 508.65 × 244.43
  4. Step 4: Simplify right side
    368.69x = 124,329.32
  5. Step 5: Solve for x
    x = 124,329.32/368.69
  6. Step 6: Final answer
    x = 337.22

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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.