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Finding the Fourth Proportional to 379.53, 566.71 and 332.91

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Solution

The fourth proportional to 379.53, 566.71 and 332.91 is: 497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.53 : 566.71 = 332.91 : x
  2. Step 2: Convert to fraction form
    379.53/566.71 = 332.91/x
  3. Step 3: Cross multiply
    379.53x = 566.71 × 332.91
  4. Step 4: Simplify right side
    379.53x = 188,663.43
  5. Step 5: Solve for x
    x = 188,663.43/379.53
  6. Step 6: Final answer
    x = 497.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.