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Finding the Fourth Proportional to 602.07, 828.75 and 524.31

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Solution

The fourth proportional to 602.07, 828.75 and 524.31 is: 721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.07 : 828.75 = 524.31 : x
  2. Step 2: Convert to fraction form
    602.07/828.75 = 524.31/x
  3. Step 3: Cross multiply
    602.07x = 828.75 × 524.31
  4. Step 4: Simplify right side
    602.07x = 434,521.91
  5. Step 5: Solve for x
    x = 434,521.91/602.07
  6. Step 6: Final answer
    x = 721.71

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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.