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Finding the Fourth Proportional to 234.02, 322.81 and 175.62

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Solution

The fourth proportional to 234.02, 322.81 and 175.62 is: 242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.02 : 322.81 = 175.62 : x
  2. Step 2: Convert to fraction form
    234.02/322.81 = 175.62/x
  3. Step 3: Cross multiply
    234.02x = 322.81 × 175.62
  4. Step 4: Simplify right side
    234.02x = 56,691.89
  5. Step 5: Solve for x
    x = 56,691.89/234.02
  6. Step 6: Final answer
    x = 242.25

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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.