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Finding the Fourth Proportional to 397.30, 598.93 and 370.87

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Solution

The fourth proportional to 397.30, 598.93 and 370.87 is: 559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.30 : 598.93 = 370.87 : x
  2. Step 2: Convert to fraction form
    397.30/598.93 = 370.87/x
  3. Step 3: Cross multiply
    397.30x = 598.93 × 370.87
  4. Step 4: Simplify right side
    397.30x = 222,125.17
  5. Step 5: Solve for x
    x = 222,125.17/397.30
  6. Step 6: Final answer
    x = 559.09

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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.