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Finding the Fourth Proportional to 373.31, 515.16 and 207.52

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Solution

The fourth proportional to 373.31, 515.16 and 207.52 is: 286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.31 : 515.16 = 207.52 : x
  2. Step 2: Convert to fraction form
    373.31/515.16 = 207.52/x
  3. Step 3: Cross multiply
    373.31x = 515.16 × 207.52
  4. Step 4: Simplify right side
    373.31x = 106,905.08
  5. Step 5: Solve for x
    x = 106,905.08/373.31
  6. Step 6: Final answer
    x = 286.37

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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.