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Finding the Fourth Proportional to 375.06, 559.28 and 349.10

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Solution

The fourth proportional to 375.06, 559.28 and 349.10 is: 520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.06 : 559.28 = 349.10 : x
  2. Step 2: Convert to fraction form
    375.06/559.28 = 349.10/x
  3. Step 3: Cross multiply
    375.06x = 559.28 × 349.10
  4. Step 4: Simplify right side
    375.06x = 195,242.72
  5. Step 5: Solve for x
    x = 195,242.72/375.06
  6. Step 6: Final answer
    x = 520.56

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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.