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Finding the Fourth Proportional to 562.49, 776.99 and 452.39

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Solution

The fourth proportional to 562.49, 776.99 and 452.39 is: 624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.49 : 776.99 = 452.39 : x
  2. Step 2: Convert to fraction form
    562.49/776.99 = 452.39/x
  3. Step 3: Cross multiply
    562.49x = 776.99 × 452.39
  4. Step 4: Simplify right side
    562.49x = 351,499.75
  5. Step 5: Solve for x
    x = 351,499.75/562.49
  6. Step 6: Final answer
    x = 624.89

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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.