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Finding the Fourth Proportional to 248.57, 372.24 and 175.67

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Solution

The fourth proportional to 248.57, 372.24 and 175.67 is: 263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.57 : 372.24 = 175.67 : x
  2. Step 2: Convert to fraction form
    248.57/372.24 = 175.67/x
  3. Step 3: Cross multiply
    248.57x = 372.24 × 175.67
  4. Step 4: Simplify right side
    248.57x = 65,389.54
  5. Step 5: Solve for x
    x = 65,389.54/248.57
  6. Step 6: Final answer
    x = 263.07

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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.