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Finding the Fourth Proportional to 436.96, 602.98 and 343.95

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Solution

The fourth proportional to 436.96, 602.98 and 343.95 is: 474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.96 : 602.98 = 343.95 : x
  2. Step 2: Convert to fraction form
    436.96/602.98 = 343.95/x
  3. Step 3: Cross multiply
    436.96x = 602.98 × 343.95
  4. Step 4: Simplify right side
    436.96x = 207,391.85
  5. Step 5: Solve for x
    x = 207,391.85/436.96
  6. Step 6: Final answer
    x = 474.62

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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.