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Finding the Fourth Proportional to 407.73, 608.46 and 373.17

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Solution

The fourth proportional to 407.73, 608.46 and 373.17 is: 556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.73 : 608.46 = 373.17 : x
  2. Step 2: Convert to fraction form
    407.73/608.46 = 373.17/x
  3. Step 3: Cross multiply
    407.73x = 608.46 × 373.17
  4. Step 4: Simplify right side
    407.73x = 227,059.02
  5. Step 5: Solve for x
    x = 227,059.02/407.73
  6. Step 6: Final answer
    x = 556.89

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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.