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Finding the Fourth Proportional to 658.95, 909.41 and 410.28

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Solution

The fourth proportional to 658.95, 909.41 and 410.28 is: 566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    658.95 : 909.41 = 410.28 : x
  2. Step 2: Convert to fraction form
    658.95/909.41 = 410.28/x
  3. Step 3: Cross multiply
    658.95x = 909.41 × 410.28
  4. Step 4: Simplify right side
    658.95x = 373,110.68
  5. Step 5: Solve for x
    x = 373,110.68/658.95
  6. Step 6: Final answer
    x = 566.22

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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.