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Finding the Fourth Proportional to 585.67, 807.86 and 349.46

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Solution

The fourth proportional to 585.67, 807.86 and 349.46 is: 482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.67 : 807.86 = 349.46 : x
  2. Step 2: Convert to fraction form
    585.67/807.86 = 349.46/x
  3. Step 3: Cross multiply
    585.67x = 807.86 × 349.46
  4. Step 4: Simplify right side
    585.67x = 282,314.76
  5. Step 5: Solve for x
    x = 282,314.76/585.67
  6. Step 6: Final answer
    x = 482.04

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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.