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Finding the Fourth Proportional to 436.79, 602.82 and 271.01

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Solution

The fourth proportional to 436.79, 602.82 and 271.01 is: 374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.79 : 602.82 = 271.01 : x
  2. Step 2: Convert to fraction form
    436.79/602.82 = 271.01/x
  3. Step 3: Cross multiply
    436.79x = 602.82 × 271.01
  4. Step 4: Simplify right side
    436.79x = 163,367.23
  5. Step 5: Solve for x
    x = 163,367.23/436.79
  6. Step 6: Final answer
    x = 374.02

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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.