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Finding the Fourth Proportional to 1,051.68, 1,450.98 and 585.84

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Solution

The fourth proportional to 1,051.68, 1,450.98 and 585.84 is: 808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.68 : 1,450.98 = 585.84 : x
  2. Step 2: Convert to fraction form
    1,051.68/1,450.98 = 585.84/x
  3. Step 3: Cross multiply
    1,051.68x = 1,450.98 × 585.84
  4. Step 4: Simplify right side
    1,051.68x = 850,042.12
  5. Step 5: Solve for x
    x = 850,042.12/1,051.68
  6. Step 6: Final answer
    x = 808.27

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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.