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Finding the Fourth Proportional to 410.88, 566.28 and 300.18

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Solution

The fourth proportional to 410.88, 566.28 and 300.18 is: 413.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.88 : 566.28 = 300.18 : x
  2. Step 2: Convert to fraction form
    410.88/566.28 = 300.18/x
  3. Step 3: Cross multiply
    410.88x = 566.28 × 300.18
  4. Step 4: Simplify right side
    410.88x = 169,985.93
  5. Step 5: Solve for x
    x = 169,985.93/410.88
  6. Step 6: Final answer
    x = 413.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.