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Finding the Fourth Proportional to 700.19, 1,050.28 and 333.87

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Solution

The fourth proportional to 700.19, 1,050.28 and 333.87 is: 500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.19 : 1,050.28 = 333.87 : x
  2. Step 2: Convert to fraction form
    700.19/1,050.28 = 333.87/x
  3. Step 3: Cross multiply
    700.19x = 1,050.28 × 333.87
  4. Step 4: Simplify right side
    700.19x = 350,656.15
  5. Step 5: Solve for x
    x = 350,656.15/700.19
  6. Step 6: Final answer
    x = 500.80

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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.