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Finding the Fourth Proportional to 210.33, 313.44 and 204.07

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Solution

The fourth proportional to 210.33, 313.44 and 204.07 is: 304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210.33 : 313.44 = 204.07 : x
  2. Step 2: Convert to fraction form
    210.33/313.44 = 204.07/x
  3. Step 3: Cross multiply
    210.33x = 313.44 × 204.07
  4. Step 4: Simplify right side
    210.33x = 63,963.70
  5. Step 5: Solve for x
    x = 63,963.70/210.33
  6. Step 6: Final answer
    x = 304.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.