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Finding the Fourth Proportional to 544.89, 750.31 and 465.62

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Solution

The fourth proportional to 544.89, 750.31 and 465.62 is: 641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.89 : 750.31 = 465.62 : x
  2. Step 2: Convert to fraction form
    544.89/750.31 = 465.62/x
  3. Step 3: Cross multiply
    544.89x = 750.31 × 465.62
  4. Step 4: Simplify right side
    544.89x = 349,357.05
  5. Step 5: Solve for x
    x = 349,357.05/544.89
  6. Step 6: Final answer
    x = 641.15

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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.