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Finding the Fourth Proportional to 658.98, 909.55 and 410.49

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Solution

The fourth proportional to 658.98, 909.55 and 410.49 is: 566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    658.98 : 909.55 = 410.49 : x
  2. Step 2: Convert to fraction form
    658.98/909.55 = 410.49/x
  3. Step 3: Cross multiply
    658.98x = 909.55 × 410.49
  4. Step 4: Simplify right side
    658.98x = 373,361.18
  5. Step 5: Solve for x
    x = 373,361.18/658.98
  6. Step 6: Final answer
    x = 566.57

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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.