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Finding the Fourth Proportional to 448.33, 619.10 and 337.61

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Solution

The fourth proportional to 448.33, 619.10 and 337.61 is: 466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.33 : 619.10 = 337.61 : x
  2. Step 2: Convert to fraction form
    448.33/619.10 = 337.61/x
  3. Step 3: Cross multiply
    448.33x = 619.10 × 337.61
  4. Step 4: Simplify right side
    448.33x = 209,018.54
  5. Step 5: Solve for x
    x = 209,018.54/448.33
  6. Step 6: Final answer
    x = 466.21

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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.