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Finding the Fourth Proportional to 400.73, 598.19 and 370.67

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Solution

The fourth proportional to 400.73, 598.19 and 370.67 is: 553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.73 : 598.19 = 370.67 : x
  2. Step 2: Convert to fraction form
    400.73/598.19 = 370.67/x
  3. Step 3: Cross multiply
    400.73x = 598.19 × 370.67
  4. Step 4: Simplify right side
    400.73x = 221,728.33
  5. Step 5: Solve for x
    x = 221,728.33/400.73
  6. Step 6: Final answer
    x = 553.32

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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.