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Finding the Fourth Proportional to 610.64, 836.08 and 608.48

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Solution

The fourth proportional to 610.64, 836.08 and 608.48 is: 833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.64 : 836.08 = 608.48 : x
  2. Step 2: Convert to fraction form
    610.64/836.08 = 608.48/x
  3. Step 3: Cross multiply
    610.64x = 836.08 × 608.48
  4. Step 4: Simplify right side
    610.64x = 508,737.96
  5. Step 5: Solve for x
    x = 508,737.96/610.64
  6. Step 6: Final answer
    x = 833.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.