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Finding the Fourth Proportional to 660.67, 995.40 and 598.17

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Solution

The fourth proportional to 660.67, 995.40 and 598.17 is: 901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    660.67 : 995.40 = 598.17 : x
  2. Step 2: Convert to fraction form
    660.67/995.40 = 598.17/x
  3. Step 3: Cross multiply
    660.67x = 995.40 × 598.17
  4. Step 4: Simplify right side
    660.67x = 595,418.42
  5. Step 5: Solve for x
    x = 595,418.42/660.67
  6. Step 6: Final answer
    x = 901.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.