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Finding the Fourth Proportional to 377.22, 568.72 and 372.36

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Solution

The fourth proportional to 377.22, 568.72 and 372.36 is: 561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.22 : 568.72 = 372.36 : x
  2. Step 2: Convert to fraction form
    377.22/568.72 = 372.36/x
  3. Step 3: Cross multiply
    377.22x = 568.72 × 372.36
  4. Step 4: Simplify right side
    377.22x = 211,768.58
  5. Step 5: Solve for x
    x = 211,768.58/377.22
  6. Step 6: Final answer
    x = 561.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.