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Finding the Fourth Proportional to 374.12, 558.60 and 371.44

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Solution

The fourth proportional to 374.12, 558.60 and 371.44 is: 554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.12 : 558.60 = 371.44 : x
  2. Step 2: Convert to fraction form
    374.12/558.60 = 371.44/x
  3. Step 3: Cross multiply
    374.12x = 558.60 × 371.44
  4. Step 4: Simplify right side
    374.12x = 207,486.38
  5. Step 5: Solve for x
    x = 207,486.38/374.12
  6. Step 6: Final answer
    x = 554.60

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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.