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Finding the Fourth Proportional to 350.07, 482.40 and 251.79

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Solution

The fourth proportional to 350.07, 482.40 and 251.79 is: 346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.07 : 482.40 = 251.79 : x
  2. Step 2: Convert to fraction form
    350.07/482.40 = 251.79/x
  3. Step 3: Cross multiply
    350.07x = 482.40 × 251.79
  4. Step 4: Simplify right side
    350.07x = 121,463.50
  5. Step 5: Solve for x
    x = 121,463.50/350.07
  6. Step 6: Final answer
    x = 346.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.