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Finding the Fourth Proportional to 1,545.93, 2,317.50 and 558.51

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Solution

The fourth proportional to 1,545.93, 2,317.50 and 558.51 is: 837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.93 : 2,317.50 = 558.51 : x
  2. Step 2: Convert to fraction form
    1,545.93/2,317.50 = 558.51/x
  3. Step 3: Cross multiply
    1,545.93x = 2,317.50 × 558.51
  4. Step 4: Simplify right side
    1,545.93x = 1,294,346.93
  5. Step 5: Solve for x
    x = 1,294,346.93/1,545.93
  6. Step 6: Final answer
    x = 837.26

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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.