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Finding the Fourth Proportional to 566.18, 849.72 and 306.47

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Solution

The fourth proportional to 566.18, 849.72 and 306.47 is: 459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.18 : 849.72 = 306.47 : x
  2. Step 2: Convert to fraction form
    566.18/849.72 = 306.47/x
  3. Step 3: Cross multiply
    566.18x = 849.72 × 306.47
  4. Step 4: Simplify right side
    566.18x = 260,409.44
  5. Step 5: Solve for x
    x = 260,409.44/566.18
  6. Step 6: Final answer
    x = 459.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.