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Finding the Fourth Proportional to 395.16, 544.06 and 336.02

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Solution

The fourth proportional to 395.16, 544.06 and 336.02 is: 462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.16 : 544.06 = 336.02 : x
  2. Step 2: Convert to fraction form
    395.16/544.06 = 336.02/x
  3. Step 3: Cross multiply
    395.16x = 544.06 × 336.02
  4. Step 4: Simplify right side
    395.16x = 182,815.04
  5. Step 5: Solve for x
    x = 182,815.04/395.16
  6. Step 6: Final answer
    x = 462.64

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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.