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Finding the Fourth Proportional to 585.58, 808.08 and 352.70

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Solution

The fourth proportional to 585.58, 808.08 and 352.70 is: 486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.58 : 808.08 = 352.70 : x
  2. Step 2: Convert to fraction form
    585.58/808.08 = 352.70/x
  3. Step 3: Cross multiply
    585.58x = 808.08 × 352.70
  4. Step 4: Simplify right side
    585.58x = 285,009.82
  5. Step 5: Solve for x
    x = 285,009.82/585.58
  6. Step 6: Final answer
    x = 486.71

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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.