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Finding the Fourth Proportional to 234.24, 322.47 and 175.92

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Solution

The fourth proportional to 234.24, 322.47 and 175.92 is: 242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.24 : 322.47 = 175.92 : x
  2. Step 2: Convert to fraction form
    234.24/322.47 = 175.92/x
  3. Step 3: Cross multiply
    234.24x = 322.47 × 175.92
  4. Step 4: Simplify right side
    234.24x = 56,728.92
  5. Step 5: Solve for x
    x = 56,728.92/234.24
  6. Step 6: Final answer
    x = 242.18

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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.