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Finding the Fourth Proportional to 597.15, 824.15 and 348.61

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Solution

The fourth proportional to 597.15, 824.15 and 348.61 is: 481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.15 : 824.15 = 348.61 : x
  2. Step 2: Convert to fraction form
    597.15/824.15 = 348.61/x
  3. Step 3: Cross multiply
    597.15x = 824.15 × 348.61
  4. Step 4: Simplify right side
    597.15x = 287,306.93
  5. Step 5: Solve for x
    x = 287,306.93/597.15
  6. Step 6: Final answer
    x = 481.13

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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.