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Finding the Fourth Proportional to 1,545.51, 2,318.27 and 375.51

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Solution

The fourth proportional to 1,545.51, 2,318.27 and 375.51 is: 563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.51 : 2,318.27 = 375.51 : x
  2. Step 2: Convert to fraction form
    1,545.51/2,318.27 = 375.51/x
  3. Step 3: Cross multiply
    1,545.51x = 2,318.27 × 375.51
  4. Step 4: Simplify right side
    1,545.51x = 870,531.69
  5. Step 5: Solve for x
    x = 870,531.69/1,545.51
  6. Step 6: Final answer
    x = 563.27

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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.