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Finding the Fourth Proportional to 436.43, 602.12 and 336.93

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Solution

The fourth proportional to 436.43, 602.12 and 336.93 is: 464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.43 : 602.12 = 336.93 : x
  2. Step 2: Convert to fraction form
    436.43/602.12 = 336.93/x
  3. Step 3: Cross multiply
    436.43x = 602.12 × 336.93
  4. Step 4: Simplify right side
    436.43x = 202,870.61
  5. Step 5: Solve for x
    x = 202,870.61/436.43
  6. Step 6: Final answer
    x = 464.85

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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.