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Finding the Fourth Proportional to 1,088.62, 1,633.22 and 533.36

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Solution

The fourth proportional to 1,088.62, 1,633.22 and 533.36 is: 800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.62 : 1,633.22 = 533.36 : x
  2. Step 2: Convert to fraction form
    1,088.62/1,633.22 = 533.36/x
  3. Step 3: Cross multiply
    1,088.62x = 1,633.22 × 533.36
  4. Step 4: Simplify right side
    1,088.62x = 871,094.22
  5. Step 5: Solve for x
    x = 871,094.22/1,088.62
  6. Step 6: Final answer
    x = 800.18

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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.