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Finding the Fourth Proportional to 1,368.69, 2,053.23 and 502.92

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Solution

The fourth proportional to 1,368.69, 2,053.23 and 502.92 is: 754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.69 : 2,053.23 = 502.92 : x
  2. Step 2: Convert to fraction form
    1,368.69/2,053.23 = 502.92/x
  3. Step 3: Cross multiply
    1,368.69x = 2,053.23 × 502.92
  4. Step 4: Simplify right side
    1,368.69x = 1,032,610.43
  5. Step 5: Solve for x
    x = 1,032,610.43/1,368.69
  6. Step 6: Final answer
    x = 754.45

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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.