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Finding the Fourth Proportional to 226.40, 337.98 and 210.35

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Solution

The fourth proportional to 226.40, 337.98 and 210.35 is: 314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.40 : 337.98 = 210.35 : x
  2. Step 2: Convert to fraction form
    226.40/337.98 = 210.35/x
  3. Step 3: Cross multiply
    226.40x = 337.98 × 210.35
  4. Step 4: Simplify right side
    226.40x = 71,092.40
  5. Step 5: Solve for x
    x = 71,092.40/226.40
  6. Step 6: Final answer
    x = 314.01

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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.