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Finding the Fourth Proportional to 714.06, 984.24 and 632.04

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Solution

The fourth proportional to 714.06, 984.24 and 632.04 is: 871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    714.06 : 984.24 = 632.04 : x
  2. Step 2: Convert to fraction form
    714.06/984.24 = 632.04/x
  3. Step 3: Cross multiply
    714.06x = 984.24 × 632.04
  4. Step 4: Simplify right side
    714.06x = 622,079.05
  5. Step 5: Solve for x
    x = 622,079.05/714.06
  6. Step 6: Final answer
    x = 871.19

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1.5x scale

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.