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Finding the Fourth Proportional to 610.43, 910.08 and 552.11

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Solution

The fourth proportional to 610.43, 910.08 and 552.11 is: 823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.43 : 910.08 = 552.11 : x
  2. Step 2: Convert to fraction form
    610.43/910.08 = 552.11/x
  3. Step 3: Cross multiply
    610.43x = 910.08 × 552.11
  4. Step 4: Simplify right side
    610.43x = 502,459.72
  5. Step 5: Solve for x
    x = 502,459.72/610.43
  6. Step 6: Final answer
    x = 823.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.