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Finding the Fourth Proportional to 248.67, 373.28 and 188.46

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Solution

The fourth proportional to 248.67, 373.28 and 188.46 is: 282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.67 : 373.28 = 188.46 : x
  2. Step 2: Convert to fraction form
    248.67/373.28 = 188.46/x
  3. Step 3: Cross multiply
    248.67x = 373.28 × 188.46
  4. Step 4: Simplify right side
    248.67x = 70,347.41
  5. Step 5: Solve for x
    x = 70,347.41/248.67
  6. Step 6: Final answer
    x = 282.89

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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.