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Finding the Fourth Proportional to 1,043.48, 1,565.44 and 737.30

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Solution

The fourth proportional to 1,043.48, 1,565.44 and 737.30 is: 1,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.48 : 1,565.44 = 737.30 : x
  2. Step 2: Convert to fraction form
    1,043.48/1,565.44 = 737.30/x
  3. Step 3: Cross multiply
    1,043.48x = 1,565.44 × 737.30
  4. Step 4: Simplify right side
    1,043.48x = 1,154,198.91
  5. Step 5: Solve for x
    x = 1,154,198.91/1,043.48
  6. Step 6: Final answer
    x = 1,106.11

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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.