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Finding the Fourth Proportional to 1,050.82, 1,575.14 and 474.10

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Solution

The fourth proportional to 1,050.82, 1,575.14 and 474.10 is: 710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.82 : 1,575.14 = 474.10 : x
  2. Step 2: Convert to fraction form
    1,050.82/1,575.14 = 474.10/x
  3. Step 3: Cross multiply
    1,050.82x = 1,575.14 × 474.10
  4. Step 4: Simplify right side
    1,050.82x = 746,773.87
  5. Step 5: Solve for x
    x = 746,773.87/1,050.82
  6. Step 6: Final answer
    x = 710.66

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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.