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Finding the Fourth Proportional to 410.95, 566.75 and 323.47

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Solution

The fourth proportional to 410.95, 566.75 and 323.47 is: 446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.95 : 566.75 = 323.47 : x
  2. Step 2: Convert to fraction form
    410.95/566.75 = 323.47/x
  3. Step 3: Cross multiply
    410.95x = 566.75 × 323.47
  4. Step 4: Simplify right side
    410.95x = 183,326.62
  5. Step 5: Solve for x
    x = 183,326.62/410.95
  6. Step 6: Final answer
    x = 446.10

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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.