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Finding the Fourth Proportional to 377.39, 563.46 and 373.47

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Solution

The fourth proportional to 377.39, 563.46 and 373.47 is: 557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.39 : 563.46 = 373.47 : x
  2. Step 2: Convert to fraction form
    377.39/563.46 = 373.47/x
  3. Step 3: Cross multiply
    377.39x = 563.46 × 373.47
  4. Step 4: Simplify right side
    377.39x = 210,435.41
  5. Step 5: Solve for x
    x = 210,435.41/377.39
  6. Step 6: Final answer
    x = 557.61

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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.