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Finding the Fourth Proportional to 373.14, 514.76 and 248.82

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Solution

The fourth proportional to 373.14, 514.76 and 248.82 is: 343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.14 : 514.76 = 248.82 : x
  2. Step 2: Convert to fraction form
    373.14/514.76 = 248.82/x
  3. Step 3: Cross multiply
    373.14x = 514.76 × 248.82
  4. Step 4: Simplify right side
    373.14x = 128,082.58
  5. Step 5: Solve for x
    x = 128,082.58/373.14
  6. Step 6: Final answer
    x = 343.26

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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.