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Finding the Fourth Proportional to 585.64, 808.32 and 375.76

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Solution

The fourth proportional to 585.64, 808.32 and 375.76 is: 518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.64 : 808.32 = 375.76 : x
  2. Step 2: Convert to fraction form
    585.64/808.32 = 375.76/x
  3. Step 3: Cross multiply
    585.64x = 808.32 × 375.76
  4. Step 4: Simplify right side
    585.64x = 303,734.32
  5. Step 5: Solve for x
    x = 303,734.32/585.64
  6. Step 6: Final answer
    x = 518.64

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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.