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Finding the Fourth Proportional to 883.13, 1,323.14 and 535.64

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Solution

The fourth proportional to 883.13, 1,323.14 and 535.64 is: 802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.13 : 1,323.14 = 535.64 : x
  2. Step 2: Convert to fraction form
    883.13/1,323.14 = 535.64/x
  3. Step 3: Cross multiply
    883.13x = 1,323.14 × 535.64
  4. Step 4: Simplify right side
    883.13x = 708,717.42
  5. Step 5: Solve for x
    x = 708,717.42/883.13
  6. Step 6: Final answer
    x = 802.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.