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Finding the Fourth Proportional to 233.98, 322.91 and 192.42

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Solution

The fourth proportional to 233.98, 322.91 and 192.42 is: 265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.98 : 322.91 = 192.42 : x
  2. Step 2: Convert to fraction form
    233.98/322.91 = 192.42/x
  3. Step 3: Cross multiply
    233.98x = 322.91 × 192.42
  4. Step 4: Simplify right side
    233.98x = 62,134.34
  5. Step 5: Solve for x
    x = 62,134.34/233.98
  6. Step 6: Final answer
    x = 265.55

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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.