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Finding the Fourth Proportional to 795.58, 1,098.43 and 497.27

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Solution

The fourth proportional to 795.58, 1,098.43 and 497.27 is: 686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.58 : 1,098.43 = 497.27 : x
  2. Step 2: Convert to fraction form
    795.58/1,098.43 = 497.27/x
  3. Step 3: Cross multiply
    795.58x = 1,098.43 × 497.27
  4. Step 4: Simplify right side
    795.58x = 546,217.79
  5. Step 5: Solve for x
    x = 546,217.79/795.58
  6. Step 6: Final answer
    x = 686.57

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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.