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Finding the Fourth Proportional to 1,088.55, 1,633.23 and 503.84

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Solution

The fourth proportional to 1,088.55, 1,633.23 and 503.84 is: 755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.55 : 1,633.23 = 503.84 : x
  2. Step 2: Convert to fraction form
    1,088.55/1,633.23 = 503.84/x
  3. Step 3: Cross multiply
    1,088.55x = 1,633.23 × 503.84
  4. Step 4: Simplify right side
    1,088.55x = 822,878.44
  5. Step 5: Solve for x
    x = 822,878.44/1,088.55
  6. Step 6: Final answer
    x = 755.94

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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.