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Finding the Fourth Proportional to 373.17, 514.99 and 207.39

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Solution

The fourth proportional to 373.17, 514.99 and 207.39 is: 286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.17 : 514.99 = 207.39 : x
  2. Step 2: Convert to fraction form
    373.17/514.99 = 207.39/x
  3. Step 3: Cross multiply
    373.17x = 514.99 × 207.39
  4. Step 4: Simplify right side
    373.17x = 106,805.97
  5. Step 5: Solve for x
    x = 106,805.97/373.17
  6. Step 6: Final answer
    x = 286.21

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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.