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Finding the Fourth Proportional to 248.16, 342.83 and 174.35

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Solution

The fourth proportional to 248.16, 342.83 and 174.35 is: 240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.16 : 342.83 = 174.35 : x
  2. Step 2: Convert to fraction form
    248.16/342.83 = 174.35/x
  3. Step 3: Cross multiply
    248.16x = 342.83 × 174.35
  4. Step 4: Simplify right side
    248.16x = 59,773.70
  5. Step 5: Solve for x
    x = 59,773.70/248.16
  6. Step 6: Final answer
    x = 240.86

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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.