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Finding the Fourth Proportional to 397.45, 599.18 and 373.96

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Solution

The fourth proportional to 397.45, 599.18 and 373.96 is: 563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.45 : 599.18 = 373.96 : x
  2. Step 2: Convert to fraction form
    397.45/599.18 = 373.96/x
  3. Step 3: Cross multiply
    397.45x = 599.18 × 373.96
  4. Step 4: Simplify right side
    397.45x = 224,069.35
  5. Step 5: Solve for x
    x = 224,069.35/397.45
  6. Step 6: Final answer
    x = 563.77

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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.