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Finding the Fourth Proportional to 332.16, 498.29 and 115.69

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Solution

The fourth proportional to 332.16, 498.29 and 115.69 is: 173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.16 : 498.29 = 115.69 : x
  2. Step 2: Convert to fraction form
    332.16/498.29 = 115.69/x
  3. Step 3: Cross multiply
    332.16x = 498.29 × 115.69
  4. Step 4: Simplify right side
    332.16x = 57,645.35
  5. Step 5: Solve for x
    x = 57,645.35/332.16
  6. Step 6: Final answer
    x = 173.55

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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.