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Finding the Fourth Proportional to 244.15, 336.66 and 230.47

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Solution

The fourth proportional to 244.15, 336.66 and 230.47 is: 317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.15 : 336.66 = 230.47 : x
  2. Step 2: Convert to fraction form
    244.15/336.66 = 230.47/x
  3. Step 3: Cross multiply
    244.15x = 336.66 × 230.47
  4. Step 4: Simplify right side
    244.15x = 77,590.03
  5. Step 5: Solve for x
    x = 77,590.03/244.15
  6. Step 6: Final answer
    x = 317.80

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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.