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Finding the Fourth Proportional to 1,101.88, 1,652.80 and 444.05

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Solution

The fourth proportional to 1,101.88, 1,652.80 and 444.05 is: 666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.88 : 1,652.80 = 444.05 : x
  2. Step 2: Convert to fraction form
    1,101.88/1,652.80 = 444.05/x
  3. Step 3: Cross multiply
    1,101.88x = 1,652.80 × 444.05
  4. Step 4: Simplify right side
    1,101.88x = 733,925.84
  5. Step 5: Solve for x
    x = 733,925.84/1,101.88
  6. Step 6: Final answer
    x = 666.07

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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.