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Finding the Fourth Proportional to 377.76, 559.56 and 373.44

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Solution

The fourth proportional to 377.76, 559.56 and 373.44 is: 553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.76 : 559.56 = 373.44 : x
  2. Step 2: Convert to fraction form
    377.76/559.56 = 373.44/x
  3. Step 3: Cross multiply
    377.76x = 559.56 × 373.44
  4. Step 4: Simplify right side
    377.76x = 208,962.09
  5. Step 5: Solve for x
    x = 208,962.09/377.76
  6. Step 6: Final answer
    x = 553.16

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.