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Finding the Fourth Proportional to 248.96, 373.46 and 245.80

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Solution

The fourth proportional to 248.96, 373.46 and 245.80 is: 368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.96 : 373.46 = 245.80 : x
  2. Step 2: Convert to fraction form
    248.96/373.46 = 245.80/x
  3. Step 3: Cross multiply
    248.96x = 373.46 × 245.80
  4. Step 4: Simplify right side
    248.96x = 91,796.47
  5. Step 5: Solve for x
    x = 91,796.47/248.96
  6. Step 6: Final answer
    x = 368.72

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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.