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Finding the Fourth Proportional to 672.79, 926.08 and 601.71

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Solution

The fourth proportional to 672.79, 926.08 and 601.71 is: 828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.79 : 926.08 = 601.71 : x
  2. Step 2: Convert to fraction form
    672.79/926.08 = 601.71/x
  3. Step 3: Cross multiply
    672.79x = 926.08 × 601.71
  4. Step 4: Simplify right side
    672.79x = 557,230.09
  5. Step 5: Solve for x
    x = 557,230.09/672.79
  6. Step 6: Final answer
    x = 828.24

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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.