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Finding the Fourth Proportional to 1,088.51, 1,632.86 and 540.14

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Solution

The fourth proportional to 1,088.51, 1,632.86 and 540.14 is: 810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.51 : 1,632.86 = 540.14 : x
  2. Step 2: Convert to fraction form
    1,088.51/1,632.86 = 540.14/x
  3. Step 3: Cross multiply
    1,088.51x = 1,632.86 × 540.14
  4. Step 4: Simplify right side
    1,088.51x = 881,973.00
  5. Step 5: Solve for x
    x = 881,973.00/1,088.51
  6. Step 6: Final answer
    x = 810.26

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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.