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Finding the Fourth Proportional to 248.53, 373.17 and 157.36

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Solution

The fourth proportional to 248.53, 373.17 and 157.36 is: 236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.53 : 373.17 = 157.36 : x
  2. Step 2: Convert to fraction form
    248.53/373.17 = 157.36/x
  3. Step 3: Cross multiply
    248.53x = 373.17 × 157.36
  4. Step 4: Simplify right side
    248.53x = 58,722.03
  5. Step 5: Solve for x
    x = 58,722.03/248.53
  6. Step 6: Final answer
    x = 236.28

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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.