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Finding the Fourth Proportional to 248.55, 372.62 and 175.46

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Solution

The fourth proportional to 248.55, 372.62 and 175.46 is: 263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.55 : 372.62 = 175.46 : x
  2. Step 2: Convert to fraction form
    248.55/372.62 = 175.46/x
  3. Step 3: Cross multiply
    248.55x = 372.62 × 175.46
  4. Step 4: Simplify right side
    248.55x = 65,377.16
  5. Step 5: Solve for x
    x = 65,377.16/248.55
  6. Step 6: Final answer
    x = 263.03

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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.