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Finding the Fourth Proportional to 582.15, 803.27 and 333.42

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Solution

The fourth proportional to 582.15, 803.27 and 333.42 is: 460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.15 : 803.27 = 333.42 : x
  2. Step 2: Convert to fraction form
    582.15/803.27 = 333.42/x
  3. Step 3: Cross multiply
    582.15x = 803.27 × 333.42
  4. Step 4: Simplify right side
    582.15x = 267,822.23
  5. Step 5: Solve for x
    x = 267,822.23/582.15
  6. Step 6: Final answer
    x = 460.05

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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.