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Finding the Fourth Proportional to 467.59, 645.01 and 271.07

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Solution

The fourth proportional to 467.59, 645.01 and 271.07 is: 373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.59 : 645.01 = 271.07 : x
  2. Step 2: Convert to fraction form
    467.59/645.01 = 271.07/x
  3. Step 3: Cross multiply
    467.59x = 645.01 × 271.07
  4. Step 4: Simplify right side
    467.59x = 174,843.80
  5. Step 5: Solve for x
    x = 174,843.80/467.59
  6. Step 6: Final answer
    x = 373.93

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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.