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Finding the Fourth Proportional to 459.84, 634.57 and 250.01

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Solution

The fourth proportional to 459.84, 634.57 and 250.01 is: 345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.84 : 634.57 = 250.01 : x
  2. Step 2: Convert to fraction form
    459.84/634.57 = 250.01/x
  3. Step 3: Cross multiply
    459.84x = 634.57 × 250.01
  4. Step 4: Simplify right side
    459.84x = 158,648.85
  5. Step 5: Solve for x
    x = 158,648.85/459.84
  6. Step 6: Final answer
    x = 345.01

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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.