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Finding the Fourth Proportional to 657.54, 985.33 and 332.50

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Solution

The fourth proportional to 657.54, 985.33 and 332.50 is: 498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.54 : 985.33 = 332.50 : x
  2. Step 2: Convert to fraction form
    657.54/985.33 = 332.50/x
  3. Step 3: Cross multiply
    657.54x = 985.33 × 332.50
  4. Step 4: Simplify right side
    657.54x = 327,622.23
  5. Step 5: Solve for x
    x = 327,622.23/657.54
  6. Step 6: Final answer
    x = 498.25

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Similar ratio
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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.