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Finding the Fourth Proportional to 544.03, 815.25 and 297.03

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Solution

The fourth proportional to 544.03, 815.25 and 297.03 is: 445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.03 : 815.25 = 297.03 : x
  2. Step 2: Convert to fraction form
    544.03/815.25 = 297.03/x
  3. Step 3: Cross multiply
    544.03x = 815.25 × 297.03
  4. Step 4: Simplify right side
    544.03x = 242,153.71
  5. Step 5: Solve for x
    x = 242,153.71/544.03
  6. Step 6: Final answer
    x = 445.11

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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.