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Finding the Fourth Proportional to 363.46, 544.38 and 282.06

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Solution

The fourth proportional to 363.46, 544.38 and 282.06 is: 422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.46 : 544.38 = 282.06 : x
  2. Step 2: Convert to fraction form
    363.46/544.38 = 282.06/x
  3. Step 3: Cross multiply
    363.46x = 544.38 × 282.06
  4. Step 4: Simplify right side
    363.46x = 153,547.82
  5. Step 5: Solve for x
    x = 153,547.82/363.46
  6. Step 6: Final answer
    x = 422.46

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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.