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Finding the Fourth Proportional to 596.47, 823.12 and 330.91

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Solution

The fourth proportional to 596.47, 823.12 and 330.91 is: 456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.47 : 823.12 = 330.91 : x
  2. Step 2: Convert to fraction form
    596.47/823.12 = 330.91/x
  3. Step 3: Cross multiply
    596.47x = 823.12 × 330.91
  4. Step 4: Simplify right side
    596.47x = 272,376.98
  5. Step 5: Solve for x
    x = 272,376.98/596.47
  6. Step 6: Final answer
    x = 456.65

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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.