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Finding the Fourth Proportional to 434, 598.94 and 259.46

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Solution

The fourth proportional to 434, 598.94 and 259.46 is: 358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    434 : 598.94 = 259.46 : x
  2. Step 2: Convert to fraction form
    434/598.94 = 259.46/x
  3. Step 3: Cross multiply
    434x = 598.94 × 259.46
  4. Step 4: Simplify right side
    434x = 155,400.97
  5. Step 5: Solve for x
    x = 155,400.97/434
  6. Step 6: Final answer
    x = 358.07

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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.