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Finding the Fourth Proportional to 374.32, 558.50 and 371.44

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Solution

The fourth proportional to 374.32, 558.50 and 371.44 is: 554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.32 : 558.50 = 371.44 : x
  2. Step 2: Convert to fraction form
    374.32/558.50 = 371.44/x
  3. Step 3: Cross multiply
    374.32x = 558.50 × 371.44
  4. Step 4: Simplify right side
    374.32x = 207,449.24
  5. Step 5: Solve for x
    x = 207,449.24/374.32
  6. Step 6: Final answer
    x = 554.20

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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.