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Finding the Fourth Proportional to 626.04, 870.84 and 614.16

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Solution

The fourth proportional to 626.04, 870.84 and 614.16 is: 854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.04 : 870.84 = 614.16 : x
  2. Step 2: Convert to fraction form
    626.04/870.84 = 614.16/x
  3. Step 3: Cross multiply
    626.04x = 870.84 × 614.16
  4. Step 4: Simplify right side
    626.04x = 534,835.09
  5. Step 5: Solve for x
    x = 534,835.09/626.04
  6. Step 6: Final answer
    x = 854.31

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.