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Finding the Fourth Proportional to 360.98, 497.94 and 229.88

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Solution

The fourth proportional to 360.98, 497.94 and 229.88 is: 317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.98 : 497.94 = 229.88 : x
  2. Step 2: Convert to fraction form
    360.98/497.94 = 229.88/x
  3. Step 3: Cross multiply
    360.98x = 497.94 × 229.88
  4. Step 4: Simplify right side
    360.98x = 114,466.45
  5. Step 5: Solve for x
    x = 114,466.45/360.98
  6. Step 6: Final answer
    x = 317.10

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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.