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Finding the Fourth Proportional to 609.61, 909.43 and 592.87

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Solution

The fourth proportional to 609.61, 909.43 and 592.87 is: 884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.61 : 909.43 = 592.87 : x
  2. Step 2: Convert to fraction form
    609.61/909.43 = 592.87/x
  3. Step 3: Cross multiply
    609.61x = 909.43 × 592.87
  4. Step 4: Simplify right side
    609.61x = 539,173.76
  5. Step 5: Solve for x
    x = 539,173.76/609.61
  6. Step 6: Final answer
    x = 884.46

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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.