Home / 1,045.27-1,566.79-351.30

Finding the Fourth Proportional to 1,045.27, 1,566.79 and 351.30

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Solution

The fourth proportional to 1,045.27, 1,566.79 and 351.30 is: 526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.27 : 1,566.79 = 351.30 : x
  2. Step 2: Convert to fraction form
    1,045.27/1,566.79 = 351.30/x
  3. Step 3: Cross multiply
    1,045.27x = 1,566.79 × 351.30
  4. Step 4: Simplify right side
    1,045.27x = 550,413.33
  5. Step 5: Solve for x
    x = 550,413.33/1,045.27
  6. Step 6: Final answer
    x = 526.58

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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.