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Finding the Fourth Proportional to 1,050.49, 1,566.56 and 932.48

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Solution

The fourth proportional to 1,050.49, 1,566.56 and 932.48 is: 1,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.49 : 1,566.56 = 932.48 : x
  2. Step 2: Convert to fraction form
    1,050.49/1,566.56 = 932.48/x
  3. Step 3: Cross multiply
    1,050.49x = 1,566.56 × 932.48
  4. Step 4: Simplify right side
    1,050.49x = 1,460,785.87
  5. Step 5: Solve for x
    x = 1,460,785.87/1,050.49
  6. Step 6: Final answer
    x = 1,390.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.