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Finding the Fourth Proportional to 301.77, 451.86 and 210.33

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Solution

The fourth proportional to 301.77, 451.86 and 210.33 is: 314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.77 : 451.86 = 210.33 : x
  2. Step 2: Convert to fraction form
    301.77/451.86 = 210.33/x
  3. Step 3: Cross multiply
    301.77x = 451.86 × 210.33
  4. Step 4: Simplify right side
    301.77x = 95,039.71
  5. Step 5: Solve for x
    x = 95,039.71/301.77
  6. Step 6: Final answer
    x = 314.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.