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Finding the Fourth Proportional to 364.71, 544.26 and 325.79

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Solution

The fourth proportional to 364.71, 544.26 and 325.79 is: 486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.71 : 544.26 = 325.79 : x
  2. Step 2: Convert to fraction form
    364.71/544.26 = 325.79/x
  3. Step 3: Cross multiply
    364.71x = 544.26 × 325.79
  4. Step 4: Simplify right side
    364.71x = 177,315.01
  5. Step 5: Solve for x
    x = 177,315.01/364.71
  6. Step 6: Final answer
    x = 486.18

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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.