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Finding the Fourth Proportional to 368.51, 508.40 and 244.24

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Solution

The fourth proportional to 368.51, 508.40 and 244.24 is: 336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.51 : 508.40 = 244.24 : x
  2. Step 2: Convert to fraction form
    368.51/508.40 = 244.24/x
  3. Step 3: Cross multiply
    368.51x = 508.40 × 244.24
  4. Step 4: Simplify right side
    368.51x = 124,167.85
  5. Step 5: Solve for x
    x = 124,167.85/368.51
  6. Step 6: Final answer
    x = 336.95

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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.