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Finding the Fourth Proportional to 797.95, 1,197.29 and 358.96

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Solution

The fourth proportional to 797.95, 1,197.29 and 358.96 is: 538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.95 : 1,197.29 = 358.96 : x
  2. Step 2: Convert to fraction form
    797.95/1,197.29 = 358.96/x
  3. Step 3: Cross multiply
    797.95x = 1,197.29 × 358.96
  4. Step 4: Simplify right side
    797.95x = 429,778.32
  5. Step 5: Solve for x
    x = 429,778.32/797.95
  6. Step 6: Final answer
    x = 538.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.