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Finding the Fourth Proportional to 700.33, 1,050.32 and 310.11

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Solution

The fourth proportional to 700.33, 1,050.32 and 310.11 is: 465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.33 : 1,050.32 = 310.11 : x
  2. Step 2: Convert to fraction form
    700.33/1,050.32 = 310.11/x
  3. Step 3: Cross multiply
    700.33x = 1,050.32 × 310.11
  4. Step 4: Simplify right side
    700.33x = 325,718.14
  5. Step 5: Solve for x
    x = 325,718.14/700.33
  6. Step 6: Final answer
    x = 465.09

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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.