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Finding the Fourth Proportional to 700.67, 1,050.87 and 375.86

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Solution

The fourth proportional to 700.67, 1,050.87 and 375.86 is: 563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.67 : 1,050.87 = 375.86 : x
  2. Step 2: Convert to fraction form
    700.67/1,050.87 = 375.86/x
  3. Step 3: Cross multiply
    700.67x = 1,050.87 × 375.86
  4. Step 4: Simplify right side
    700.67x = 394,980.00
  5. Step 5: Solve for x
    x = 394,980.00/700.67
  6. Step 6: Final answer
    x = 563.72

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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.