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Finding the Fourth Proportional to 672.32, 927.70 and 377.53

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Solution

The fourth proportional to 672.32, 927.70 and 377.53 is: 520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.32 : 927.70 = 377.53 : x
  2. Step 2: Convert to fraction form
    672.32/927.70 = 377.53/x
  3. Step 3: Cross multiply
    672.32x = 927.70 × 377.53
  4. Step 4: Simplify right side
    672.32x = 350,231.90
  5. Step 5: Solve for x
    x = 350,231.90/672.32
  6. Step 6: Final answer
    x = 520.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.