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Finding the Fourth Proportional to 582.36, 803.24 and 372.36

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Solution

The fourth proportional to 582.36, 803.24 and 372.36 is: 513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.36 : 803.24 = 372.36 : x
  2. Step 2: Convert to fraction form
    582.36/803.24 = 372.36/x
  3. Step 3: Cross multiply
    582.36x = 803.24 × 372.36
  4. Step 4: Simplify right side
    582.36x = 299,094.45
  5. Step 5: Solve for x
    x = 299,094.45/582.36
  6. Step 6: Final answer
    x = 513.59

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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.