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Finding the Fourth Proportional to 246.35, 339.98 and 229.95

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Solution

The fourth proportional to 246.35, 339.98 and 229.95 is: 317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.35 : 339.98 = 229.95 : x
  2. Step 2: Convert to fraction form
    246.35/339.98 = 229.95/x
  3. Step 3: Cross multiply
    246.35x = 339.98 × 229.95
  4. Step 4: Simplify right side
    246.35x = 78,178.40
  5. Step 5: Solve for x
    x = 78,178.40/246.35
  6. Step 6: Final answer
    x = 317.35

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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.