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Finding the Fourth Proportional to 624.87, 936.50 and 543.33

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Solution

The fourth proportional to 624.87, 936.50 and 543.33 is: 814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.87 : 936.50 = 543.33 : x
  2. Step 2: Convert to fraction form
    624.87/936.50 = 543.33/x
  3. Step 3: Cross multiply
    624.87x = 936.50 × 543.33
  4. Step 4: Simplify right side
    624.87x = 508,825.83
  5. Step 5: Solve for x
    x = 508,825.83/624.87
  6. Step 6: Final answer
    x = 814.29

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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.