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Finding the Fourth Proportional to 371.00, 559.01 and 307.42

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Solution

The fourth proportional to 371.00, 559.01 and 307.42 is: 463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.00 : 559.01 = 307.42 : x
  2. Step 2: Convert to fraction form
    371.00/559.01 = 307.42/x
  3. Step 3: Cross multiply
    371.00x = 559.01 × 307.42
  4. Step 4: Simplify right side
    371.00x = 171,850.23
  5. Step 5: Solve for x
    x = 171,850.23/371.00
  6. Step 6: Final answer
    x = 463.21

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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.