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Finding the Fourth Proportional to 586.05, 808.71 and 324.06

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Solution

The fourth proportional to 586.05, 808.71 and 324.06 is: 447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.05 : 808.71 = 324.06 : x
  2. Step 2: Convert to fraction form
    586.05/808.71 = 324.06/x
  3. Step 3: Cross multiply
    586.05x = 808.71 × 324.06
  4. Step 4: Simplify right side
    586.05x = 262,070.56
  5. Step 5: Solve for x
    x = 262,070.56/586.05
  6. Step 6: Final answer
    x = 447.18

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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.