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Finding the Fourth Proportional to 672.44, 927.98 and 373.70

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Solution

The fourth proportional to 672.44, 927.98 and 373.70 is: 515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.44 : 927.98 = 373.70 : x
  2. Step 2: Convert to fraction form
    672.44/927.98 = 373.70/x
  3. Step 3: Cross multiply
    672.44x = 927.98 × 373.70
  4. Step 4: Simplify right side
    672.44x = 346,783.81
  5. Step 5: Solve for x
    x = 346,783.81/672.44
  6. Step 6: Final answer
    x = 515.71

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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.