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Finding the Fourth Proportional to 377.04, 564.76 and 281.68

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Solution

The fourth proportional to 377.04, 564.76 and 281.68 is: 421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.04 : 564.76 = 281.68 : x
  2. Step 2: Convert to fraction form
    377.04/564.76 = 281.68/x
  3. Step 3: Cross multiply
    377.04x = 564.76 × 281.68
  4. Step 4: Simplify right side
    377.04x = 159,081.60
  5. Step 5: Solve for x
    x = 159,081.60/377.04
  6. Step 6: Final answer
    x = 421.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.