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Finding the Fourth Proportional to 602.92, 832.62 and 515.08

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Solution

The fourth proportional to 602.92, 832.62 and 515.08 is: 711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.92 : 832.62 = 515.08 : x
  2. Step 2: Convert to fraction form
    602.92/832.62 = 515.08/x
  3. Step 3: Cross multiply
    602.92x = 832.62 × 515.08
  4. Step 4: Simplify right side
    602.92x = 428,865.91
  5. Step 5: Solve for x
    x = 428,865.91/602.92
  6. Step 6: Final answer
    x = 711.31

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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.