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Finding the Fourth Proportional to 1,541.54, 2,312.06 and 567.65

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Solution

The fourth proportional to 1,541.54, 2,312.06 and 567.65 is: 851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.54 : 2,312.06 = 567.65 : x
  2. Step 2: Convert to fraction form
    1,541.54/2,312.06 = 567.65/x
  3. Step 3: Cross multiply
    1,541.54x = 2,312.06 × 567.65
  4. Step 4: Simplify right side
    1,541.54x = 1,312,443.80
  5. Step 5: Solve for x
    x = 1,312,443.80/1,541.54
  6. Step 6: Final answer
    x = 851.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.