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Finding the Fourth Proportional to 657.02, 985.71 and 246.19

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Solution

The fourth proportional to 657.02, 985.71 and 246.19 is: 369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.02 : 985.71 = 246.19 : x
  2. Step 2: Convert to fraction form
    657.02/985.71 = 246.19/x
  3. Step 3: Cross multiply
    657.02x = 985.71 × 246.19
  4. Step 4: Simplify right side
    657.02x = 242,672.25
  5. Step 5: Solve for x
    x = 242,672.25/657.02
  6. Step 6: Final answer
    x = 369.35

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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.