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Finding the Fourth Proportional to 585.64, 808.34 and 336.98

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Solution

The fourth proportional to 585.64, 808.34 and 336.98 is: 465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.64 : 808.34 = 336.98 : x
  2. Step 2: Convert to fraction form
    585.64/808.34 = 336.98/x
  3. Step 3: Cross multiply
    585.64x = 808.34 × 336.98
  4. Step 4: Simplify right side
    585.64x = 272,394.75
  5. Step 5: Solve for x
    x = 272,394.75/585.64
  6. Step 6: Final answer
    x = 465.13

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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.