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Finding the Fourth Proportional to 368.87, 508.99 and 244.30

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Solution

The fourth proportional to 368.87, 508.99 and 244.30 is: 337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.87 : 508.99 = 244.30 : x
  2. Step 2: Convert to fraction form
    368.87/508.99 = 244.30/x
  3. Step 3: Cross multiply
    368.87x = 508.99 × 244.30
  4. Step 4: Simplify right side
    368.87x = 124,346.26
  5. Step 5: Solve for x
    x = 124,346.26/368.87
  6. Step 6: Final answer
    x = 337.10

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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.